{"id":6201,"date":"2026-02-25T08:25:00","date_gmt":"2026-02-25T08:25:00","guid":{"rendered":"https:\/\/elkamehr.com\/en\/?p=6201"},"modified":"2026-02-25T08:40:14","modified_gmt":"2026-02-25T08:40:14","slug":"aluminum-wire-surface-quality-from-scratches-to-oxide-scale-and-their-impact-on-extrusion-cabling","status":"publish","type":"post","link":"https:\/\/elkamehr.com\/en\/aluminum-wire-surface-quality-from-scratches-to-oxide-scale-and-their-impact-on-extrusion-cabling\/","title":{"rendered":"Aluminum Wire Surface Quality: From Scratches to Oxide Scale and Their Impact on Extrusion\/Cabling"},"content":{"rendered":"<!-- \u2705 Gutenberg Custom HTML \u2014 Elka Mehr Kimiya | Aluminum Wire Surface Quality\n     Topic: Aluminum Wire Surface Quality: From Scratches to Oxide Scale and Their Impact on Extrusion\/Cabling\n     Ultra-refined industrial design \u2022 TOC + Search + Dark Mode + Progress + Section Actions\n     Contact for PURCHASE aluminum products: Call\/WhatsApp +989028000013\n     NOTE: Text is NOT justified (prevents awkward spacing)\n-->\n\n<div class=\"emkSQ-shell\" id=\"emkSQTop\">\n  <a class=\"emkSQ-skip\" href=\"#emkSQMain\">Skip to content<\/a>\n\n  <!-- Theme toggle (CSS-first) -->\n  <input class=\"emkSQ-themeToggle\" type=\"checkbox\" id=\"emkSQThemeToggle\" aria-label=\"Toggle dark mode\">\n\n  <article class=\"emkSQ-doc\" dir=\"ltr\" lang=\"en\" itemscope itemtype=\"https:\/\/schema.org\/Article\">\n    <!-- Progress bar -->\n    <div class=\"emkSQ-progress\" aria-hidden=\"true\"><span class=\"emkSQ-progressBar\"><\/span><\/div>\n\n    <!-- Sticky toolbar -->\n    <div class=\"emkSQ-toolbar\" role=\"region\" aria-label=\"Page tools\">\n      <a class=\"emkSQ-btn\" href=\"#emkSQTOC\" aria-label=\"Open table of contents\">\n        <span class=\"emkSQ-ic\" aria-hidden=\"true\">\u2630<\/span><span>Contents<\/span>\n      <\/a>\n\n      <a class=\"emkSQ-btn\" href=\"#emkSQSearch\" aria-label=\"Open search\">\n        <span class=\"emkSQ-ic\" aria-hidden=\"true\">\u2315<\/span><span>Search<\/span>\n      <\/a>\n\n      <a class=\"emkSQ-btn\" href=\"#emkSQTop\" aria-label=\"Go to top\">\n        <span class=\"emkSQ-ic\" aria-hidden=\"true\">\u2191<\/span><span>Top<\/span>\n      <\/a>\n\n      <button class=\"emkSQ-btn emkSQ-btn--ghost\" type=\"button\" data-print aria-label=\"Print page\">\n        <span class=\"emkSQ-ic\" aria-hidden=\"true\">\u2399<\/span><span>Print<\/span>\n      <\/button>\n\n      <label class=\"emkSQ-btn emkSQ-themeBtn\" for=\"emkSQThemeToggle\" aria-label=\"Toggle dark mode\">\n        <span class=\"emkSQ-ic\" aria-hidden=\"true\">\u25d0<\/span>\n        <span class=\"emkSQ-themeLabel\">\n          <span class=\"emkSQ-themeState emkSQ-themeState--light\">Light<\/span>\n          <span class=\"emkSQ-themeState emkSQ-themeState--dark\">Dark<\/span>\n        <\/span>\n      <\/label>\n\n      <a class=\"emkSQ-btn emkSQ-btn--cta\" href=\"#emkSQContact\" aria-label=\"Purchase aluminum products\">\n        <span class=\"emkSQ-ic\" aria-hidden=\"true\">\u2706<\/span><span>Buy Aluminum<\/span>\n      <\/a>\n    <\/div>\n\n    <!-- TOC Drawer -->\n    <div class=\"emkSQ-drawer\" id=\"emkSQTOC\" aria-label=\"Table of contents\">\n      <a class=\"emkSQ-drawerOverlay\" href=\"#emkSQTop\" aria-label=\"Close contents\"><\/a>\n      <aside class=\"emkSQ-drawerPanel\" role=\"dialog\" aria-label=\"Contents panel\">\n        <div class=\"emkSQ-drawerHead\">\n          <div>\n            <div class=\"emkSQ-drawerTitle\">Table of Contents<\/div>\n            <div class=\"emkSQ-drawerSub\">Fast navigation \u2022 mobile &#038; desktop<\/div>\n          <\/div>\n          <a class=\"emkSQ-x\" href=\"#emkSQTop\" aria-label=\"Close\">\u2715<\/a>\n        <\/div>\n\n        <nav class=\"emkSQ-toc\" aria-label=\"Contents\">\n          <a href=\"#s0\">Quick Start \u2014 stop major surface defects fast<\/a>\n          <a href=\"#s1\">1) Why aluminum wire surface quality is a process KPI<\/a>\n          <a href=\"#s2\">2) Defect map: scratches, drag lines, oxide films, oxide scale, contamination<\/a>\n          <a href=\"#s3\">3) Scratches &#038; scoring: root causes and line-by-line prevention<\/a>\n          <a href=\"#s4\">4) Oxide film vs oxide scale: what\u2019s normal, what\u2019s harmful<\/a>\n          <a href=\"#s5\">5) Upstream causes: handling, humidity, storage, lubricants, tooling<\/a>\n          <a href=\"#s6\">6) Impact on extrusion: die wear, surface finish, pick-up, productivity<\/a>\n          <a href=\"#s7\">7) Impact on cabling: conductivity risk, breaks, stranding, insulation adhesion<\/a>\n          <a href=\"#s8\">8) Inspection &#038; test methods: visual, wipe, microscopy, trend controls<\/a>\n          <a href=\"#s9\">9) Troubleshooting matrix: defect \u2192 likely cause \u2192 action<\/a>\n          <a href=\"#s10\">10) QC checklist: daily \/ weekly \/ monthly controls<\/a>\n          <a href=\"#s11\">11) RFQ\/PO quality clauses for aluminum wire surface requirements<\/a>\n          <a href=\"#emkSQContact\">Purchase &#038; Technical Support \u2014 Call \/ WhatsApp<\/a>\n          <a href=\"#emkSQBrand\">About Elka Mehr Kimiya<\/a>\n          <a href=\"#emkSQFAQ\">FAQ<\/a>\n        <\/nav>\n\n        <div class=\"emkSQ-divider\"><\/div>\n\n        <div class=\"emkSQ-mini\">\n          <div class=\"emkSQ-miniK\">Production rule<\/div>\n          <div class=\"emkSQ-miniV\">Surface defects are system signals<\/div>\n          <div class=\"emkSQ-miniH\">\n            A scratch or oxide patch is rarely \u201cjust appearance.\u201d It usually points to a control problem in handling, humidity, lubrication, filtration, or tooling.\n          <\/div>\n        <\/div>\n      <\/aside>\n    <\/div>\n\n    <!-- Search Modal -->\n    <div class=\"emkSQ-modal\" id=\"emkSQSearch\" aria-label=\"Search modal\">\n      <a class=\"emkSQ-modalOverlay\" href=\"#emkSQTop\" aria-label=\"Close search\"><\/a>\n      <div class=\"emkSQ-modalPanel\" role=\"dialog\" aria-label=\"Search panel\">\n        <div class=\"emkSQ-modalHead\">\n          <div>\n            <div class=\"emkSQ-modalTitle\">Search this guide<\/div>\n            <div class=\"emkSQ-modalSub\">Try: \u201coxide scale\u201d, \u201cdrag lines\u201d, \u201cextrusion pick-up\u201d, \u201cstranding breaks\u201d, \u201cwipe test\u201d, \u201chumidity\u201d<\/div>\n          <\/div>\n          <a class=\"emkSQ-x\" href=\"#emkSQTop\" aria-label=\"Close\">\u2715<\/a>\n        <\/div>\n\n        <div class=\"emkSQ-searchBox\">\n          <label class=\"emkSQ-srOnly\" for=\"emkSQSearchInput\">Search<\/label>\n          <input id=\"emkSQSearchInput\" class=\"emkSQ-searchInput\" type=\"search\"\n                 placeholder=\"Search\u2026 (e.g., scratches, oxide scale, extrusion finish, cabling defects)\"\n                 autocomplete=\"off\">\n          <button class=\"emkSQ-searchClear\" type=\"button\" data-search-clear aria-label=\"Clear search\">Clear<\/button>\n        <\/div>\n\n        <div class=\"emkSQ-searchMeta\" aria-live=\"polite\">\n          <span class=\"emkSQ-chip\">Press <strong>\/<\/strong> to search<\/span>\n          <span class=\"emkSQ-chip\">ESC closes panels<\/span>\n          <span class=\"emkSQ-chip\">Results jump to section<\/span>\n        <\/div>\n\n        <div class=\"emkSQ-results\" id=\"emkSQSearchResults\" aria-label=\"Search results\">\n          <div class=\"emkSQ-resultsEmpty\">Type at least 2 characters to search.<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n\n    <!-- HERO -->\n    <header class=\"emkSQ-hero\" id=\"top\">\n      <div class=\"emkSQ-wrap\">\n        <div class=\"emkSQ-badges\">\n          <span class=\"emkSQ-badge\">Technical Quality Guide<\/span>\n          <span class=\"emkSQ-badge emkSQ-badge--soft\">Surface Quality<\/span>\n          <span class=\"emkSQ-badge emkSQ-badge--accent\">Scratches \u2192 Oxide Scale<\/span>\n          <span class=\"emkSQ-badge emkSQ-badge--blue\">Extrusion \/ Cabling Impact<\/span>\n          <span class=\"emkSQ-badge emkSQ-badge--brand\">Elka Mehr Kimiya<\/span>\n        <\/div>\n\n        <h1 class=\"emkSQ-h1\" itemprop=\"headline\">\n          Aluminum Wire Surface Quality: From Scratches to Oxide Scale and Their Impact on Extrusion\/Cabling\n        <\/h1>\n\n        <p class=\"emkSQ-sub\" itemprop=\"description\">\n          A practical, production-focused guide to understand and control <strong>aluminum wire surface defects<\/strong> \u2014\n          from <strong>scratches, drag lines, contamination, staining, and oxide films<\/strong> to <strong>oxide scale<\/strong> \u2014\n          and how these defects affect <strong>extrusion performance<\/strong>, <strong>cabling operations<\/strong>, yield, scrap, and downstream quality.\n        <\/p>\n\n        <div class=\"emkSQ-meta\">\n          <div class=\"emkSQ-pill\">Keywords: aluminum wire surface quality \u2022 scratches \u2022 oxide scale \u2022 extrusion defects \u2022 cabling defects \u2022 aluminum rod\/wire<\/div>\n          <div class=\"emkSQ-pill emkSQ-pill--warm\">Outcome: lower scrap \u2022 fewer breaks \u2022 better finish \u2022 stable throughput<\/div>\n          <div class=\"emkSQ-pill emkSQ-pill--blue\">Includes: defect map + troubleshooting + QC checklist + RFQ clauses<\/div>\n        <\/div>\n\n        <div class=\"emkSQ-quick\" aria-label=\"Quick jump\">\n          <a class=\"emkSQ-q\" href=\"#s0\">Quick Start<\/a>\n          <a class=\"emkSQ-q\" href=\"#s6\">Extrusion Impact<\/a>\n          <a class=\"emkSQ-q\" href=\"#s7\">Cabling Impact<\/a>\n          <a class=\"emkSQ-q\" href=\"#s9\">Troubleshooting<\/a>\n          <a class=\"emkSQ-q\" href=\"#emkSQContact\">Buy Aluminum<\/a>\n        <\/div>\n\n        <div class=\"emkSQ-callout\">\n          <strong>Key message:<\/strong> Surface quality is not just an appearance issue. On aluminum wire, scratches and oxide-related defects directly affect\n          <strong>extrusion die life and finish<\/strong>, as well as <strong>cabling stability, break rate, and insulation\/processing performance<\/strong>.\n        <\/div>\n\n        <div class=\"emkSQ-kpis\" aria-label=\"Key takeaways\">\n          <div class=\"emkSQ-kpi\">\n            <div class=\"emkSQ-kpiK\">Most common \u201cinvisible cost\u201d<\/div>\n            <div class=\"emkSQ-kpiV\">Surface defect \u2192 downstream instability<\/div>\n            <div class=\"emkSQ-kpiH\">Rework, cleaning, reduced speed, and customer claims<\/div>\n          <\/div>\n          <div class=\"emkSQ-kpi\">\n            <div class=\"emkSQ-kpiK\">Most misdiagnosed issue<\/div>\n            <div class=\"emkSQ-kpiV\">Oxide film vs oxide scale<\/div>\n            <div class=\"emkSQ-kpiH\">Normal thin oxide is expected; heavy scale\/deposits are a process warning<\/div>\n          <\/div>\n          <div class=\"emkSQ-kpi\">\n            <div class=\"emkSQ-kpiK\">Fastest improvement<\/div>\n            <div class=\"emkSQ-kpiV\">Handling + humidity + cleanliness controls<\/div>\n            <div class=\"emkSQ-kpiH\">Often reduces both scratches and oxide-related stains quickly<\/div>\n          <\/div>\n        <\/div>\n\n        <div class=\"emkSQ-authorRow\">\n          <div class=\"emkSQ-author\">\n            <span class=\"emkSQ-dot\"><\/span>\n            <span>Prepared for production, extrusion, and QA teams<\/span>\n            <span class=\"emkSQ-sep\">\u2022<\/span>\n            <time itemprop=\"datePublished\" datetime=\"2026-02-24\">Feb 24, 2026<\/time>\n            <meta itemprop=\"dateModified\" content=\"2026-02-24\">\n          <\/div>\n          <div class=\"emkSQ-authorRight\" itemprop=\"author\" itemscope itemtype=\"https:\/\/schema.org\/Organization\">\n            <meta itemprop=\"name\" content=\"Elka Mehr Kimiya\">\n            <span class=\"emkSQ-brandTag\">Elka Mehr Kimiya (Elkamahrkimia)<\/span>\n          <\/div>\n        <\/div>\n      <\/div>\n    <\/header>\n\n    <main id=\"emkSQMain\" class=\"emkSQ-wrap emkSQ-main\" itemprop=\"articleBody\">\n\n      <!-- s0 -->\n      <section id=\"s0\" class=\"emkSQ-sec\" data-title=\"Quick Start \u2014 stop major surface defects fast\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">Quick Start \u2014 Stop Major Surface Defects Fast<\/h2>\n          <div class=\"emkSQ-secActions\" aria-label=\"Section actions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#emkSQContact\" aria-label=\"Contact\" title=\"Contact\">\u2706<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            If your aluminum wire shows scratches, white haze, or oxide patches, start with these actions. They solve many line problems without waiting for lab work.\n          <\/p>\n\n          <div class=\"emkSQ-grid2\">\n            <div class=\"emkSQ-card emkSQ-card--soft\">\n              <h3 class=\"emkSQ-h3\">Immediate actions (today)<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Inspect <strong>contact points<\/strong>: guides, rollers, pay-off, dancer, and take-up surfaces.<\/li>\n                <li>Run a <strong>wipe test<\/strong> and a <strong>dry-down test<\/strong> on wire samples (same method each time).<\/li>\n                <li>Check for <strong>humidity\/condensation<\/strong> if defects spike mornings, rain days, or after door opening.<\/li>\n                <li>Clean die\/contact zones and remove visible dust\/fines from line surfaces.<\/li>\n              <\/ul>\n            <\/div>\n\n            <div class=\"emkSQ-card emkSQ-card--accent\">\n              <h3 class=\"emkSQ-h3\">Stabilizers (this week)<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Standardize handling: clean gloves\/tools for surface-critical wire.<\/li>\n                <li>Control lubricant cleanliness: filtration, closed storage, no shared dirty tools.<\/li>\n                <li>Define \u201csurface acceptance\u201d with photos\/examples + a simple wipe rating scale.<\/li>\n                <li>Correlate defect logs with humidity, shifts, wire source, and tooling changes.<\/li>\n              <\/ul>\n            <\/div>\n          <\/div>\n\n          <div class=\"emkSQ-note\">\n            <strong>Rule:<\/strong> If surface defects change with weather, shift, or handling route, suspect system control before blaming the wire chemistry.\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s1 -->\n      <section id=\"s1\" class=\"emkSQ-sec\" data-title=\"Why aluminum wire surface quality is a process KPI\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">1) Why Aluminum Wire Surface Quality Is a Process KPI<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#s6\" aria-label=\"Extrusion impact\" title=\"Extrusion impact\">\u21e2<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            Surface condition is one of the earliest warning signals of process instability. It predicts productivity losses before scrap and breakdowns become obvious.\n          <\/p>\n\n          <div class=\"emkSQ-grid2\">\n            <div class=\"emkSQ-card\">\n              <h3 class=\"emkSQ-h3\">Why operations should care<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li><strong>Friction &#038; contact:<\/strong> surface defects change how wire behaves against tools and dies.<\/li>\n                <li><strong>Contamination transfer:<\/strong> residue and oxide particles can move to downstream equipment.<\/li>\n                <li><strong>Quality consistency:<\/strong> visual defects often correlate with hidden process drift.<\/li>\n                <li><strong>Customer trust:<\/strong> surface quality is often the first visible issue in claims.<\/li>\n              <\/ul>\n            <\/div>\n            <div class=\"emkSQ-card emkSQ-card--soft\">\n              <h3 class=\"emkSQ-h3\">What \u201cgood surface\u201d means in practice<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Uniform appearance (no localized scratches, stains, or patchy oxide)<\/li>\n                <li>Low transferable residue\/contamination (wipe test stable)<\/li>\n                <li>No embedded particles causing downstream scoring or breaks<\/li>\n                <li>Stable behavior in extrusion\/cabling, not just visual acceptance<\/li>\n              <\/ul>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s2 -->\n      <section id=\"s2\" class=\"emkSQ-sec\" data-title=\"Defect map: scratches, drag lines, oxide films, oxide scale, contamination\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">2) Defect Map: Scratches, Drag Lines, Oxide Films, Oxide Scale, Contamination<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#s9\" aria-label=\"Troubleshooting\" title=\"Troubleshooting\">\ud83d\udee0<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            Different surface defects look similar at first glance, but they come from very different mechanisms. Correct classification saves time and prevents wrong fixes.\n          <\/p>\n\n          <div class=\"emkSQ-card emkSQ-tableCard\">\n            <h3 class=\"emkSQ-h3\">Defect classification (practical)<\/h3>\n            <div class=\"emkSQ-tableWrap\" role=\"region\" aria-label=\"Defect map table\" tabindex=\"0\">\n              <table class=\"emkSQ-table\">\n                <thead>\n                  <tr>\n                    <th>Defect type<\/th>\n                    <th>Visual appearance<\/th>\n                    <th>Typical source<\/th>\n                    <th>Main risk<\/th>\n                  <\/tr>\n                <\/thead>\n                <tbody>\n                  <tr>\n                    <td><strong>Scratch \/ scoring<\/strong><\/td>\n                    <td>Linear groove or mark<\/td>\n                    <td>Hard contact point, particle, dirty guide, tooling damage<\/td>\n                    <td>Stress concentration, finish defects, break risk<\/td>\n                  <\/tr>\n                  <tr>\n                    <td><strong>Drag line<\/strong><\/td>\n                    <td>Repeated streaks in running direction<\/td>\n                    <td>Contaminated lubricant, fines, die\/guiding issues<\/td>\n                    <td>Poor appearance, downstream friction issues<\/td>\n                  <\/tr>\n                  <tr>\n                    <td><strong>Oxide film (normal\/thin)<\/strong><\/td>\n                    <td>Very thin, natural surface film<\/td>\n                    <td>Normal aluminum oxidation<\/td>\n                    <td>Usually acceptable if uniform and clean<\/td>\n                  <\/tr>\n                  <tr>\n                    <td><strong>Oxide patch \/ stain<\/strong><\/td>\n                    <td>Localized discoloration or patchy dullness<\/td>\n                    <td>Humidity, residues, storage\/handling contamination<\/td>\n                    <td>Appearance claim, downstream instability<\/td>\n                  <\/tr>\n                  <tr>\n                    <td><strong>Oxide scale \/ heavy deposits<\/strong><\/td>\n                    <td>Visible flaky\/powdery deposits or hard oxide areas<\/td>\n                    <td>High-temp exposure, contamination, poor storage or process upset<\/td>\n                    <td>Tool wear, surface roughness, extrusion\/cabling problems<\/td>\n                  <\/tr>\n                  <tr>\n                    <td><strong>Residue contamination<\/strong><\/td>\n                    <td>Sticky film \/ transfer \/ powder<\/td>\n                    <td>Lubricant, salts, dust, poor drying<\/td>\n                    <td>Adhesion\/welding issues, customer \u201cdirty wire\u201d claim<\/td>\n                  <\/tr>\n                <\/tbody>\n              <\/table>\n            <\/div>\n          <\/div>\n\n          <div class=\"emkSQ-note\">\n            <strong>Operator shortcut:<\/strong> Linear defects usually point to contact\/tooling. Patchy or delayed defects often point to humidity, residues, or storage\/handling.\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s3 -->\n      <section id=\"s3\" class=\"emkSQ-sec\" data-title=\"Scratches &#038; scoring: root causes and line-by-line prevention\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">3) Scratches &#038; Scoring: Root Causes and Line-by-Line Prevention<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#s5\" aria-label=\"Upstream causes\" title=\"Upstream causes\">\u2191<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            Scratches are usually contact defects, not metallurgy defects. The fastest fix is to trace the wire path and inspect every hard contact point.\n          <\/p>\n\n          <div class=\"emkSQ-grid2\">\n            <div class=\"emkSQ-card emkSQ-card--soft\">\n              <h3 class=\"emkSQ-h3\">Most common root causes<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Damaged or dirty guides\/rollers (embedded hard particles)<\/li>\n                <li>Metal fines or dust in lubrication\/contact zones<\/li>\n                <li>Misalignment causing side rubbing<\/li>\n                <li>Improper handling: dragging coils\/spools on hard surfaces<\/li>\n                <li>Damaged packaging or tie-wire contact points<\/li>\n              <\/ul>\n            <\/div>\n            <div class=\"emkSQ-card\">\n              <h3 class=\"emkSQ-h3\">Prevention routine (practical)<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Trace wire path and mark defect position timing to locate the station<\/li>\n                <li>Clean and inspect guides\/rollers every shift on surface-critical runs<\/li>\n                <li>Separate dirty maintenance operations from finished wire handling areas<\/li>\n                <li>Use clean gloves and soft-contact handling tools for final coils\/spools<\/li>\n                <li>Protect wire from floor contact and transport damage<\/li>\n              <\/ul>\n            <\/div>\n          <\/div>\n\n          <div class=\"emkSQ-tipBox\">\n            <div class=\"emkSQ-tipTitle\">Fast localization trick<\/div>\n            <p class=\"emkSQ-tipText\">\n              If scratches repeat at regular spacing, correlate spacing with roller circumference or machine cycles to find the exact contact point.\n            <\/p>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s4 -->\n      <section id=\"s4\" class=\"emkSQ-sec\" data-title=\"Oxide film vs oxide scale: what\u2019s normal, what\u2019s harmful\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">4) Oxide Film vs Oxide Scale: What\u2019s Normal, What\u2019s Harmful<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#s8\" aria-label=\"Inspection\" title=\"Inspection\">\ud83d\udd0e<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            Aluminum naturally forms a thin oxide film. That is normal. The problem begins when oxidation becomes uneven, contaminated, or scale-like and starts affecting process contact and finish.\n          <\/p>\n\n          <div class=\"emkSQ-grid2\">\n            <div class=\"emkSQ-card\">\n              <h3 class=\"emkSQ-h3\">Normal oxide film (typically acceptable)<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Thin and uniform surface film<\/li>\n                <li>No powdery residue, no flaky build-up<\/li>\n                <li>No patchy stains or strong color variation<\/li>\n                <li>No adverse effect on extrusion\/cabling performance<\/li>\n              <\/ul>\n            <\/div>\n            <div class=\"emkSQ-card emkSQ-card--accent\">\n              <h3 class=\"emkSQ-h3\">Problematic oxide \/ scale behavior<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Patchy heavy oxidation, visible deposits, or chalky areas<\/li>\n                <li>Flaky\/powdery residues that transfer to tools or packaging<\/li>\n                <li>Localized dull hard spots after heat\/moisture exposure<\/li>\n                <li>Associated with residue contamination or poor storage conditions<\/li>\n              <\/ul>\n            <\/div>\n          <\/div>\n\n          <div class=\"emkSQ-note\">\n            <strong>Important:<\/strong> \u201cOxide scale\u201d on aluminum wire is often a combined issue: oxidation + contamination + temperature\/humidity history.\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s5 -->\n      <section id=\"s5\" class=\"emkSQ-sec\" data-title=\"Upstream causes: handling, humidity, storage, lubricants, tooling\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">5) Upstream Causes: Handling, Humidity, Storage, Lubricants, Tooling<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#s10\" aria-label=\"QC checklist\" title=\"QC checklist\">\u2705<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            Most surface defects originate before the final inspection point. Think in systems: environment, lubrication, tooling, and handling are linked.\n          <\/p>\n\n          <div class=\"emkSQ-grid2\">\n            <div class=\"emkSQ-card emkSQ-card--soft\">\n              <h3 class=\"emkSQ-h3\">Environment &#038; storage causes<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Humidity spikes and condensation on wire\/coils<\/li>\n                <li>Dusty storage\/handling zones and open packaging<\/li>\n                <li>Temperature cycling causing delayed stains or residue visibility<\/li>\n                <li>Improper FIFO and long storage in poor conditions<\/li>\n              <\/ul>\n            <\/div>\n            <div class=\"emkSQ-card\">\n              <h3 class=\"emkSQ-h3\">Process &#038; tooling causes<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Dirty or damaged dies\/guides\/rollers<\/li>\n                <li>Contaminated lubricants, poor filtration, residue carryover<\/li>\n                <li>Misalignment causing rubbing or drag lines<\/li>\n                <li>Dirty transfer tools and inconsistent cleaning routines<\/li>\n              <\/ul>\n            <\/div>\n          <\/div>\n\n          <div class=\"emkSQ-tipBox\">\n            <div class=\"emkSQ-tipTitle\">Audit mindset<\/div>\n            <p class=\"emkSQ-tipText\">\n              A surface-quality audit should follow the wire journey: receive \u2192 store \u2192 prepare \u2192 process \u2192 handle \u2192 pack. Problems often happen after the \u201cmain process.\u201d\n            <\/p>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s6 -->\n      <section id=\"s6\" class=\"emkSQ-sec\" data-title=\"Impact on extrusion: die wear, surface finish, pick-up, productivity\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">6) Impact on Extrusion: Die Wear, Surface Finish, Pick-Up, Productivity<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#s9\" aria-label=\"Troubleshooting\" title=\"Troubleshooting\">\ud83d\udee0<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            Surface defects on feedstock or wire entering extrusion-related processes can accelerate die wear, increase pick-up, and produce unstable finish. Even small scratches can become visible product defects.\n          <\/p>\n\n          <div class=\"emkSQ-grid2\">\n            <div class=\"emkSQ-card emkSQ-card--accent\">\n              <h3 class=\"emkSQ-h3\">Extrusion-related risks from poor surface quality<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li><strong>Die pick-up \/ fouling:<\/strong> contamination and oxide deposits transfer to tooling.<\/li>\n                <li><strong>Poor surface finish:<\/strong> scratches and oxide patches print through or worsen under flow\/contact.<\/li>\n                <li><strong>Unstable friction:<\/strong> residues change contact behavior and process consistency.<\/li>\n                <li><strong>More downtime:<\/strong> frequent cleaning and die intervention.<\/li>\n              <\/ul>\n            <\/div>\n            <div class=\"emkSQ-card\">\n              <h3 class=\"emkSQ-h3\">How to reduce extrusion impact<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Control incoming surface quality with defined acceptance examples (not only text)<\/li>\n                <li>Separate cosmetic vs process-critical defects in inspection standards<\/li>\n                <li>Prevent storage\/humidity-induced residues before extrusion feed preparation<\/li>\n                <li>Trend defects against die maintenance frequency and finish complaints<\/li>\n              <\/ul>\n            <\/div>\n          <\/div>\n\n          <div class=\"emkSQ-note\">\n            <strong>Operational point:<\/strong> A \u201csmall\u201d surface issue becomes expensive when it forces die cleaning, finish rework, or slower production speed.\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s7 -->\n      <section id=\"s7\" class=\"emkSQ-sec\" data-title=\"Impact on cabling: conductivity risk, breaks, stranding, insulation adhesion\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">7) Impact on Cabling: Conductivity Risk, Breaks, Stranding, Insulation Adhesion<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#s8\" aria-label=\"Inspection\" title=\"Inspection\">\ud83d\udd0e<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            In cabling, surface defects affect more than looks: they can increase breaks, dust\/residue transfer, and downstream coating\/insulation variability.\n          <\/p>\n\n          <div class=\"emkSQ-grid2\">\n            <div class=\"emkSQ-card\">\n              <h3 class=\"emkSQ-h3\">Cabling process impacts<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li><strong>Stranding instability:<\/strong> scratches\/rough areas increase friction and irregular behavior.<\/li>\n                <li><strong>Break risk:<\/strong> severe scoring acts as stress concentrator under tension.<\/li>\n                <li><strong>Residue transfer:<\/strong> contamination moves to guides and downstream equipment.<\/li>\n                <li><strong>Dust attraction:<\/strong> sticky films increase particle pickup and visible defects.<\/li>\n              <\/ul>\n            <\/div>\n            <div class=\"emkSQ-card emkSQ-card--soft\">\n              <h3 class=\"emkSQ-h3\">Insulation \/ coating \/ jointing impacts<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Non-uniform surface cleanliness can reduce coating consistency<\/li>\n                <li>Residues may affect adhesion or wetting behavior in sensitive systems<\/li>\n                <li>Localized oxide or contamination can cause process-to-process variability<\/li>\n                <li>Customer complaints may show up late (after storage or installation steps)<\/li>\n              <\/ul>\n            <\/div>\n          <\/div>\n\n          <div class=\"emkSQ-tipBox\">\n            <div class=\"emkSQ-tipTitle\">Cabling KPI recommendation<\/div>\n            <p class=\"emkSQ-tipText\">\n              Track surface-cleanliness events alongside break rate and stranding slowdowns. The correlation is often stronger than teams expect.\n            <\/p>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s8 -->\n      <section id=\"s8\" class=\"emkSQ-sec\" data-title=\"Inspection &#038; test methods: visual, wipe, microscopy, trend controls\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">8) Inspection &#038; Test Methods: Visual, Wipe, Microscopy, Trend Controls<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#s10\" aria-label=\"QC checklist\" title=\"QC checklist\">\u2705<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            A good inspection system is simple, repeatable, and tied to process actions. Most plants benefit more from consistency than from complex testing.\n          <\/p>\n\n          <div class=\"emkSQ-grid2\">\n            <div class=\"emkSQ-card emkSQ-card--soft\">\n              <h3 class=\"emkSQ-h3\">Line-friendly tests<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li><strong>Visual inspection under fixed lighting<\/strong> (same angle and intensity)<\/li>\n                <li><strong>Wipe test<\/strong> for residue\/transfer using standard cloth and length<\/li>\n                <li><strong>Dry-down test<\/strong> to reveal delayed haze\/powder\/crystals<\/li>\n                <li><strong>Photo standard comparison<\/strong> for pass\/fail consistency<\/li>\n              <\/ul>\n            <\/div>\n            <div class=\"emkSQ-card\">\n              <h3 class=\"emkSQ-h3\">Deeper diagnosis (when needed)<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Microscope inspection to distinguish scratch vs deposit vs oxide patch<\/li>\n                <li>Cross-check with process data (humidity, lubricant condition, tooling change)<\/li>\n                <li>Trend log by lot\/shift\/line to identify recurring sources<\/li>\n                <li>Customer-return comparison using same internal test method<\/li>\n              <\/ul>\n            <\/div>\n          <\/div>\n\n          <div class=\"emkSQ-note\">\n            <strong>Best practice:<\/strong> Define one internal \u201csurface rating sheet\u201d with defect examples. It reduces subjective acceptance decisions between shifts.\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s9 -->\n      <section id=\"s9\" class=\"emkSQ-sec\" data-title=\"Troubleshooting matrix: defect \u2192 likely cause \u2192 action\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">9) Troubleshooting Matrix: Defect \u2192 Likely Cause \u2192 Action<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#emkSQContact\" aria-label=\"Contact\" title=\"Contact\">\u2706<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            Use this matrix to move quickly from symptom to root-cause checks and corrective actions.\n          <\/p>\n\n          <div class=\"emkSQ-card emkSQ-tableCard\">\n            <h3 class=\"emkSQ-h3\">Troubleshooting table<\/h3>\n            <div class=\"emkSQ-tableWrap\" role=\"region\" aria-label=\"Troubleshooting matrix\" tabindex=\"0\">\n              <table class=\"emkSQ-table\">\n                <thead>\n                  <tr>\n                    <th>Surface symptom<\/th>\n                    <th>Likely cause<\/th>\n                    <th>Fast checks<\/th>\n                    <th>Corrective action<\/th>\n                  <\/tr>\n                <\/thead>\n                <tbody>\n                  <tr>\n                    <td><strong>Single deep scratch<\/strong><\/td>\n                    <td>Hard damaged contact point \/ foreign particle<\/td>\n                    <td>Trace line path; inspect guides\/rollers<\/td>\n                    <td>Repair\/replace contact part; clean line; protect handling route<\/td>\n                  <\/tr>\n                  <tr>\n                    <td><strong>Repeated fine lines (drag)<\/strong><\/td>\n                    <td>Fines in lubricant \/ die or guide contamination<\/td>\n                    <td>Inspect lube\/filters; die cleanliness; guide surfaces<\/td>\n                    <td>Filter\/clean\/refresh fluid; clean tooling; improve housekeeping<\/td>\n                  <\/tr>\n                  <tr>\n                    <td><strong>Patchy dull oxide areas<\/strong><\/td>\n                    <td>Humidity\/condensation + residues + storage issues<\/td>\n                    <td>Humidity trend; dry-down test; storage\/handling history<\/td>\n                    <td>Control humidity; acclimate coils; improve packing and handling cleanliness<\/td>\n                  <\/tr>\n                  <tr>\n                    <td><strong>White haze \/ powder after storage<\/strong><\/td>\n                    <td>Residue\/salt contamination, poor drying, humidity exposure<\/td>\n                    <td>Wipe + dry-down test; inspect fluid loop and packaging<\/td>\n                    <td>Improve drying and storage; stabilize fluid; reduce residue carryover<\/td>\n                  <\/tr>\n                  <tr>\n                    <td><strong>Surface looks OK but cabling breaks increase<\/strong><\/td>\n                    <td>Micro-scoring\/roughness or residue-driven friction instability<\/td>\n                    <td>Microscope check; wipe test; break trend vs shifts<\/td>\n                    <td>Tighten line cleaning, lubrication, guide condition, and handling controls<\/td>\n                  <\/tr>\n                  <tr>\n                    <td><strong>Extrusion finish complaints rise<\/strong><\/td>\n                    <td>Incoming surface contamination\/oxide patches affecting die contact<\/td>\n                    <td>Incoming inspection photos + wipe ratings vs complaint lots<\/td>\n                    <td>Raise incoming surface controls; define rejection criteria by examples<\/td>\n                  <\/tr>\n                <\/tbody>\n              <\/table>\n            <\/div>\n          <\/div>\n\n          <div class=\"emkSQ-note\">\n            <strong>Tip:<\/strong> Always record defect photos with date\/shift\/line and wire lot. Visual trends solve repeat issues much faster than memory.\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s10 -->\n      <section id=\"s10\" class=\"emkSQ-sec\" data-title=\"QC checklist: daily \/ weekly \/ monthly controls\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">10) QC Checklist: Daily \/ Weekly \/ Monthly Controls<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#emkSQContact\" aria-label=\"Contact\" title=\"Contact\">\u2706<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            Surface quality improves when controls are routine and visible. These checklists are simple enough for line use and strong enough for trend analysis.\n          <\/p>\n\n          <div class=\"emkSQ-grid2\">\n            <div class=\"emkSQ-card\">\n              <h3 class=\"emkSQ-h3\">Daily checks<\/h3>\n              <ul class=\"emkSQ-check\">\n                <li><label><input type=\"checkbox\"> Visual surface check under standard lighting (start of shift \/ changeover)<\/label><\/li>\n                <li><label><input type=\"checkbox\"> Wipe test on surface-critical runs<\/label><\/li>\n                <li><label><input type=\"checkbox\"> Guide\/roller cleanliness and damage check<\/label><\/li>\n                <li><label><input type=\"checkbox\"> Humidity \/ environmental check if condensation risk exists<\/label><\/li>\n              <\/ul>\n            <\/div>\n            <div class=\"emkSQ-card emkSQ-card--soft\">\n              <h3 class=\"emkSQ-h3\">Weekly checks<\/h3>\n              <ul class=\"emkSQ-check\">\n                <li><label><input type=\"checkbox\"> Review defect log vs shifts, weather, and line events<\/label><\/li>\n                <li><label><input type=\"checkbox\"> Deep clean of contact points and transfer tools<\/label><\/li>\n                <li><label><input type=\"checkbox\"> Lubricant\/filtration condition review (if applicable)<\/label><\/li>\n                <li><label><input type=\"checkbox\"> Storage and packing area cleanliness audit<\/label><\/li>\n              <\/ul>\n            <\/div>\n          <\/div>\n\n          <div class=\"emkSQ-card emkSQ-card--accent\" style=\"margin-top:12px;\">\n            <h3 class=\"emkSQ-h3\">Monthly checks<\/h3>\n            <ul class=\"emkSQ-list\">\n              <li>Trend surface defect rates and correlate with extrusion\/cabling complaints.<\/li>\n              <li>Refresh operator training on defect recognition (scratch vs stain vs oxide patch).<\/li>\n              <li>Audit handling flow from process to packing to storage.<\/li>\n              <li>Update internal photo standards for accept\/reject examples.<\/li>\n            <\/ul>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- s11 -->\n      <section id=\"s11\" class=\"emkSQ-sec\" data-title=\"RFQ\/PO quality clauses for aluminum wire surface requirements\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">11) RFQ\/PO Quality Clauses for Aluminum Wire Surface Requirements<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#emkSQContact\" aria-label=\"Contact\" title=\"Contact\">\u2706<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            If surface quality affects extrusion or cabling performance, define it clearly in your RFQ\/PO. \u201cGood surface\u201d is too vague for suppliers and inspectors.\n          <\/p>\n\n          <div class=\"emkSQ-card emkSQ-card--soft\">\n            <h3 class=\"emkSQ-h3\">What to define in RFQ\/PO<\/h3>\n            <ul class=\"emkSQ-list\">\n              <li>Surface condition requirement (visual + process-critical) with photo examples if possible<\/li>\n              <li>Disallowed defects: deep scratches, drag lines, patchy oxide\/scale, visible residues<\/li>\n              <li>Acceptance method: visual lighting condition + wipe test and\/or dry-down test<\/li>\n              <li>Storage\/packing expectations to prevent post-shipment staining\/contamination<\/li>\n              <li>Traceability: lot\/heat\/batch + packing unit ID for complaint investigation<\/li>\n            <\/ul>\n          <\/div>\n\n          <div class=\"emkSQ-note\">\n            <strong>Best practice:<\/strong> Attach a one-page defect photo sheet (acceptable \/ conditional \/ reject) to the PO. It reduces disputes dramatically.\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- CONTACT -->\n      <section id=\"emkSQContact\" class=\"emkSQ-sec emkSQ-sec--cta\" data-title=\"Purchase &#038; Technical Support \u2014 Call \/ WhatsApp\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">Purchase &#038; Technical Support \u2014 Call \/ WhatsApp<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTop\" aria-label=\"Top\" title=\"Top\">\u2191<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            Contact Elka Mehr Kimiya for <strong>purchasing aluminum products<\/strong> (rods, alloys, conductors, ingots, and wire) and for technical support on aluminum wire surface quality for extrusion\/cabling.\n          <\/p>\n\n          <div class=\"emkSQ-grid2\">\n            <div class=\"emkSQ-card emkSQ-card--soft\">\n              <h3 class=\"emkSQ-h3\">Fast contact (purchase &#038; support)<\/h3>\n\n              <div class=\"emkSQ-ctaBtns\">\n                <a class=\"emkSQ-ctaBtn\" href=\"tel:+989028000013\" aria-label=\"Call Elka Mehr Kimiya\">\n                  <span class=\"emkSQ-ctaIc\" aria-hidden=\"true\">\u2706<\/span>\n                  <span>\n                    <strong>Call<\/strong><br>\n                    <span class=\"emkSQ-ctaSub\">+98 902 800 0013<\/span>\n                  <\/span>\n                <\/a>\n\n                <a class=\"emkSQ-ctaBtn emkSQ-ctaBtn--wa\"\n                   href=\"https:\/\/wa.me\/989028000013?text=Hello%20Elka%20Mehr%20Kimiya%2C%20I%20want%20to%20purchase%20aluminum%20products%20and%20need%20support%20for%20aluminum%20wire%20surface%20quality%20(scratches%2Foxide%20scale)%20for%20extrusion%2Fcabling.\"\n                   target=\"_blank\" rel=\"noopener\"\n                   aria-label=\"WhatsApp Elka Mehr Kimiya\">\n                  <span class=\"emkSQ-ctaIc\" aria-hidden=\"true\">\ud83d\udcac<\/span>\n                  <span>\n                    <strong>WhatsApp<\/strong><br>\n                    <span class=\"emkSQ-ctaSub\">Message us instantly<\/span>\n                  <\/span>\n                <\/a>\n              <\/div>\n\n              <div class=\"emkSQ-note\" style=\"margin-top:12px;\">\n                <strong>For faster ordering:<\/strong> send message to us through whatsapp\n              <\/div>\n            <\/div>\n\n            <div class=\"emkSQ-card emkSQ-card--accent\">\n              <h3 class=\"emkSQ-h3\">Aluminum products (purchase)<\/h3>\n              <ul class=\"emkSQ-list\">\n                <li>Aluminium rods<\/li>\n                <li>Alloys<\/li>\n                <li>Conductors<\/li>\n                <li>Ingots<\/li>\n                <li>Wire<\/li>\n              <\/ul>\n\n              <div class=\"emkSQ-tipBox\" style=\"margin-top:12px;\">\n                <div class=\"emkSQ-tipTitle\">What to include in your inquiry<\/div>\n                <p class=\"emkSQ-tipText\">\n                  Product type, alloy\/grade, size\/diameter, quantity, application (extrusion\/cabling), and packing preference.\n                <\/p>\n              <\/div>\n            <\/div>\n          <\/div>\n        <\/div>\n      <\/section>\n\n      <!-- BRAND -->\n      <section id=\"emkSQBrand\" class=\"emkSQ-sec\" data-title=\"About Elka Mehr Kimiya\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">About Elka Mehr Kimiya (Elkamahrkimia)<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#emkSQContact\" aria-label=\"Contact\" title=\"Contact\">\u2706<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <p class=\"emkSQ-lead\">\n            Elka Mehr Kimiya is a leading manufacturer of Aluminium rods, alloys, conductors, ingots, and wire in the northwest of iran, equipped with cutting-edge production machinery.\n          <\/p>\n          <p>\n            Committed to excellence, we ensure top-quality products through precision engineering and rigorous quality control.\n            Our focus extends beyond production; we prioritize understanding customer needs, delivering tailored products, and fostering long-term partnerships based on trust and mutual success.\n          <\/p>\n          <p>\n            With a dedicated team and a commitment to innovation, we offer standard and custom products, guaranteeing customer satisfaction.\n            Experience the excellence of Elka Mehr Kimiya, where quality meets precision.\n          <\/p>\n        <\/div>\n      <\/section>\n\n      <!-- FAQ -->\n      <section id=\"emkSQFAQ\" class=\"emkSQ-sec\" data-title=\"FAQ\">\n        <div class=\"emkSQ-secHead\">\n          <h2 class=\"emkSQ-h2\">FAQ<\/h2>\n          <div class=\"emkSQ-secActions\">\n            <button class=\"emkSQ-ib\" type=\"button\" data-copy-link aria-label=\"Copy link\" title=\"Copy link\">\ud83d\udd17<\/button>\n            <button class=\"emkSQ-ib\" type=\"button\" data-collapse aria-expanded=\"true\" aria-label=\"Collapse\/expand\" title=\"Collapse\/expand\">\u25be<\/button>\n            <a class=\"emkSQ-ib\" href=\"#emkSQTOC\" aria-label=\"Contents\" title=\"Contents\">\u2630<\/a>\n            <a class=\"emkSQ-ib\" href=\"#emkSQContact\" aria-label=\"Contact\" title=\"Contact\">\u2706<\/a>\n          <\/div>\n        <\/div>\n        <div class=\"emkSQ-secBody\">\n          <div class=\"emkSQ-faq\">\n            <details class=\"emkSQ-faqItem\">\n              <summary>Is all oxide on aluminum wire a defect?<\/summary>\n              <div class=\"emkSQ-faqBody\">\n                No. A thin, uniform natural oxide film is normal. Problems arise when oxidation becomes patchy, contaminated, powdery, or scale-like and affects process performance.\n              <\/div>\n            <\/details>\n\n            <details class=\"emkSQ-faqItem\">\n              <summary>Why do scratches matter if the wire still \u201clooks usable\u201d?<\/summary>\n              <div class=\"emkSQ-faqBody\">\n                Scratches can act as stress concentrators, increase break risk, and create downstream finish or friction problems in extrusion and cabling.\n              <\/div>\n            <\/details>\n\n            <details class=\"emkSQ-faqItem\">\n              <summary>What is the fastest way to improve surface quality?<\/summary>\n              <div class=\"emkSQ-faqBody\">\n                Improve contact-point cleanliness\/condition, control humidity and handling, and standardize simple inspections (visual + wipe + dry-down tests).\n              <\/div>\n            <\/details>\n\n            <details class=\"emkSQ-faqItem\">\n              <summary>Can Elka Mehr Kimiya support both material supply and technical guidance?<\/summary>\n              <div class=\"emkSQ-faqBody\">\n                Yes. We can support aluminum product purchasing and practical guidance for surface-quality control in extrusion and cabling applications.\n              <\/div>\n            <\/details>\n          <\/div>\n\n          <footer class=\"emkSQ-footer\">\n            <div class=\"emkSQ-footerLine\"><\/div>\n            <p class=\"emkSQ-footerText\">\u00a9 2026 \u2014 Elka Mehr Kimiya \u2022 Purchase\/Support: +98 902 800 0013<\/p>\n          <\/footer>\n        <\/div>\n      <\/section>\n\n    <\/main>\n\n    <!-- SEO: JSON-LD -->\n    <script type=\"application\/ld+json\">\n    {\n      \"@context\":\"https:\/\/schema.org\",\n      \"@type\":\"Article\",\n      \"headline\":\"Aluminum Wire Surface Quality: From Scratches to Oxide Scale and Their Impact on Extrusion\/Cabling\",\n      \"description\":\"Production-focused guide to aluminum wire surface quality defects (scratches, drag lines, contamination, oxide films and oxide scale) and their impact on extrusion and cabling, with troubleshooting, inspection methods, QC checklists and RFQ clauses.\",\n      \"datePublished\":\"2026-02-24\",\n      \"dateModified\":\"2026-02-24\",\n      \"author\":{\"@type\":\"Organization\",\"name\":\"Elka Mehr Kimiya\"},\n      \"publisher\":{\"@type\":\"Organization\",\"name\":\"Elka Mehr Kimiya\"},\n      \"keywords\":[\n        \"aluminum wire surface quality\",\"scratches on aluminum wire\",\"oxide scale aluminum wire\",\"extrusion defects\",\"cabling defects\",\n        \"aluminum wire contamination\",\"drag lines\",\"surface cleanliness\",\"Elka Mehr Kimiya\",\"Elkamahrkimia\",\"aluminium rods\",\"aluminium wire\"\n      ]\n    }\n    <\/script>\n\n    <script type=\"application\/ld+json\">\n    {\n      \"@context\":\"https:\/\/schema.org\",\n      \"@type\":\"Organization\",\n      \"name\":\"Elka Mehr Kimiya\",\n      \"telephone\":\"+989028000013\",\n      \"contactPoint\":[{\n        \"@type\":\"ContactPoint\",\n        \"telephone\":\"+989028000013\",\n        \"contactType\":\"sales\",\n        \"areaServed\":\"Worldwide\",\n        \"availableLanguage\":[\"en\",\"fa\"]\n      }]\n    }\n    <\/script>\n\n    <script type=\"application\/ld+json\">\n    {\n      \"@context\":\"https:\/\/schema.org\",\n      \"@type\":\"FAQPage\",\n      \"mainEntity\":[\n        {\n          \"@type\":\"Question\",\n          \"name\":\"Is all oxide on aluminum wire a defect?\",\n          \"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. A thin, uniform natural oxide film is normal. 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font-size:12.5px; }\n  .emkSQ-miniV{ margin-top:6px; font-weight:900; }\n  .emkSQ-miniH{ margin-top:6px; color:var(--emkSQ-muted); font-size:12.5px; line-height:1.8; }\n\n  \/* Search *\/\n  .emkSQ-searchBox{ display:flex; gap:10px; margin-top:12px; }\n  .emkSQ-searchInput{\n    flex:1 1 auto;\n    padding:12px 12px;\n    border-radius:14px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(255,255,255,.90);\n    color:var(--emkSQ-text);\n    font-weight:600;\n    outline:none;\n    font-size:var(--emkSQ-body);\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-searchInput{ background:rgba(255,255,255,.06); }\n  .emkSQ-searchClear{\n    padding:12px 12px;\n    border-radius:14px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(2,6,23,.03);\n    color:var(--emkSQ-text);\n    font-weight:900;\n    cursor:pointer;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-searchClear{ background:rgba(255,255,255,.06); }\n  .emkSQ-searchMeta{ display:flex; flex-wrap:wrap; gap:8px; margin-top:10px; }\n  .emkSQ-chip{\n    display:inline-flex; align-items:center;\n    padding:8px 10px;\n    border-radius:999px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(2,6,23,.03);\n    color:var(--emkSQ-muted);\n    font-size:12.5px;\n    font-weight:700;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-chip{ background:rgba(255,255,255,.06); }\n\n  .emkSQ-results{ margin-top:12px; display:grid; gap:10px; }\n  .emkSQ-resultsEmpty{\n    border:1px dashed var(--emkSQ-line);\n    border-radius:14px;\n    padding:12px;\n    color:var(--emkSQ-muted);\n    background:rgba(2,6,23,.02);\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-resultsEmpty{ background:rgba(255,255,255,.05); }\n  .emkSQ-res{\n    border:1px solid var(--emkSQ-line);\n    border-radius:14px;\n    padding:12px;\n    background:rgba(255,255,255,.82);\n    text-decoration:none;\n    transition:transform .15s ease, border-color .15s ease, background .15s ease;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-res{ background:rgba(255,255,255,.06); }\n  .emkSQ-res:hover{ transform:translateY(-1px); border-color:rgba(14,165,164,.45); background:rgba(14,165,164,.08); }\n  .emkSQ-resT{ font-family:\"Space Grotesk\", Inter, system-ui; font-weight:700; margin:0; letter-spacing:.1px; }\n  .emkSQ-resS{ margin:6px 0 0; color:var(--emkSQ-muted); font-size:13.5px; line-height:1.85; }\n  .emkSQ-mark{ background:rgba(14,165,164,.25); padding:0 .12em; border-radius:.2em; }\n\n  \/* Hero *\/\n  .emkSQ-hero{\n    background:\n      radial-gradient(900px 420px at 12% 0%, rgba(14,165,164,.14), transparent 60%),\n      radial-gradient(900px 420px at 88% 0%, rgba(11,42,74,.16), transparent 60%),\n      linear-gradient(180deg, rgba(255,255,255,.94), rgba(255,255,255,.76));\n    border-bottom:1px solid var(--emkSQ-line);\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-hero{\n    background:\n      radial-gradient(900px 420px at 12% 0%, rgba(14,165,164,.18), transparent 60%),\n      radial-gradient(900px 420px at 88% 0%, rgba(11,42,74,.18), transparent 60%),\n      linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));\n  }\n\n  .emkSQ-badges{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:12px; }\n  .emkSQ-badge{\n    padding:8px 12px;\n    border-radius:999px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(255,255,255,.84);\n    font-weight:900;\n    font-size:13px;\n    box-shadow:var(--emkSQ-shadow2);\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-badge{ background:rgba(255,255,255,.08); box-shadow:none; }\n  .emkSQ-badge--soft{ border-color:rgba(14,165,164,.30); background:rgba(14,165,164,.10); }\n  .emkSQ-badge--accent{ border-color:rgba(245,158,11,.28); background:rgba(245,158,11,.10); }\n  .emkSQ-badge--blue{ border-color:rgba(11,42,74,.25); background:rgba(11,42,74,.08); }\n  .emkSQ-badge--brand{ border-color:rgba(2,6,23,.18); background:rgba(2,6,23,.06); }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-badge--brand{ border-color:rgba(255,255,255,.16); background:rgba(255,255,255,.06); }\n\n  .emkSQ-h1{\n    font-family:\"Space Grotesk\", Inter, system-ui;\n    margin:0 0 10px;\n    font-size:var(--emkSQ-h1);\n    line-height:1.06;\n    letter-spacing:-.38px;\n  }\n  .emkSQ-sub{\n    margin:0;\n    color:var(--emkSQ-muted);\n    font-size:var(--emkSQ-body);\n    line-height:2.0;\n    max-width:var(--emkSQ-measure);\n  }\n\n  .emkSQ-meta{ display:flex; flex-wrap:wrap; gap:10px; margin-top:14px; }\n  .emkSQ-pill{\n    padding:9px 12px;\n    border-radius:999px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(255,255,255,.82);\n    font-weight:900;\n    font-size:13px;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-pill{ background:rgba(255,255,255,.08); }\n  .emkSQ-pill--warm{ border-color:rgba(245,158,11,.30); background:rgba(245,158,11,.10); }\n  .emkSQ-pill--blue{ border-color:rgba(11,42,74,.30); background:rgba(11,42,74,.10); }\n\n  .emkSQ-quick{ display:flex; flex-wrap:wrap; gap:10px; margin-top:14px; }\n  .emkSQ-q{\n    text-decoration:none;\n    padding:10px 12px;\n    border-radius:999px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(2,6,23,.03);\n    font-weight:900;\n    transition:transform .15s ease, border-color .15s ease, background .15s ease;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-q{ background:rgba(255,255,255,.06); }\n  .emkSQ-q:hover{ transform:translateY(-1px); border-color:rgba(14,165,164,.45); background:rgba(14,165,164,.10); }\n\n  .emkSQ-callout{\n    margin-top:14px;\n    padding:12px 14px;\n    border-radius:16px;\n    border:1px solid rgba(14,165,164,.35);\n    background:linear-gradient(180deg, rgba(14,165,164,.12), rgba(11,42,74,.08));\n    line-height:2.0;\n    font-size:14.5px;\n    max-width:var(--emkSQ-measure);\n  }\n\n  .emkSQ-kpis{\n    display:grid;\n    grid-template-columns:repeat(auto-fit, minmax(260px, 1fr));\n    gap:12px;\n    margin-top:14px;\n  }\n  .emkSQ-kpi{\n    border:1px solid var(--emkSQ-line);\n    border-radius:16px;\n    padding:14px;\n    background:rgba(255,255,255,.84);\n    box-shadow:var(--emkSQ-shadow2);\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-kpi{ background:rgba(255,255,255,.06); box-shadow:none; }\n  .emkSQ-kpiK{ color:var(--emkSQ-muted); font-size:12.5px; font-weight:800; }\n  .emkSQ-kpiV{ margin-top:6px; font-weight:900; line-height:1.5; }\n  .emkSQ-kpiH{ margin-top:6px; color:var(--emkSQ-muted); font-size:12.5px; line-height:1.8; }\n\n  .emkSQ-authorRow{\n    display:flex; flex-wrap:wrap; gap:10px; align-items:center; justify-content:space-between;\n    margin-top:14px; padding-top:12px; border-top:1px solid var(--emkSQ-line);\n  }\n  .emkSQ-author{ display:flex; flex-wrap:wrap; gap:8px; align-items:center; color:var(--emkSQ-muted); font-size:12.5px; }\n  .emkSQ-dot{ width:8px; height:8px; border-radius:999px; background:var(--emkSQ-teal); }\n  .emkSQ-sep{ opacity:.6; }\n  .emkSQ-brandTag{\n    padding:8px 10px; border-radius:999px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(2,6,23,.03);\n    font-weight:900; color:var(--emkSQ-text); font-size:12.5px;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-brandTag{ background:rgba(255,255,255,.06); }\n\n  \/* Sections *\/\n  .emkSQ-sec{\n    margin-top:14px;\n    border:1px solid var(--emkSQ-line);\n    border-radius:var(--emkSQ-radius);\n    background:var(--emkSQ-card);\n    box-shadow:var(--emkSQ-shadow2);\n    overflow:hidden;\n    scroll-margin-top:92px;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-sec{ box-shadow:none; }\n\n  .emkSQ-secHead{\n    display:flex; gap:12px; align-items:flex-start; justify-content:space-between;\n    padding:var(--emkSQ-pad);\n    border-bottom:1px solid var(--emkSQ-line);\n    background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,255,255,.78));\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-secHead{\n    background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));\n  }\n\n  .emkSQ-h2{\n    font-family:\"Space Grotesk\", Inter, system-ui;\n    margin:0; font-size:var(--emkSQ-h2); line-height:1.38;\n    padding-left:14px; position:relative; letter-spacing:-.12px;\n  }\n  .emkSQ-h2::before{\n    content:\"\"; position:absolute; left:0; top:.72em;\n    width:8px; height:8px; border-radius:999px;\n    background:linear-gradient(90deg, var(--emkSQ-teal), var(--emkSQ-steel));\n  }\n\n  .emkSQ-secActions{ display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end; }\n  .emkSQ-ib{\n    width:40px; height:40px; display:inline-flex; align-items:center; justify-content:center;\n    border-radius:12px; border:1px solid var(--emkSQ-line);\n    background:rgba(2,6,23,.03); text-decoration:none; cursor:pointer; font-weight:900;\n    transition:transform .12s ease, border-color .12s ease, background .12s ease;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-ib{ background:rgba(255,255,255,.06); }\n  .emkSQ-ib:hover{ transform:translateY(-1px); border-color:rgba(14,165,164,.45); background:rgba(14,165,164,.10); }\n\n  .emkSQ-secBody{ padding:var(--emkSQ-pad); }\n  .emkSQ-secBody p{\n    margin:0; line-height:2.0; font-size:var(--emkSQ-body); max-width:var(--emkSQ-measure);\n  }\n  .emkSQ-secBody p + p{ margin-top:10px; }\n\n  .emkSQ-lead{\n    font-size:var(--emkSQ-lead) !important;\n    line-height:1.95 !important;\n    font-weight:600;\n    color:color-mix(in srgb, var(--emkSQ-text) 92%, var(--emkSQ-muted));\n    max-width:var(--emkSQ-measure);\n  }\n\n  .emkSQ-h3{\n    font-family:\"Space Grotesk\", Inter, system-ui;\n    margin:0 0 10px; font-size:var(--emkSQ-h3); font-weight:700; letter-spacing:-.06px;\n  }\n\n  .emkSQ-list{ margin:10px 0 0; padding:0 0 0 18px; max-width:var(--emkSQ-measure); }\n  .emkSQ-list li{ margin:7px 0; line-height:1.9; font-size:var(--emkSQ-body); }\n\n  .emkSQ-ol{ margin:10px 0 0; padding:0 0 0 18px; max-width:var(--emkSQ-measure); }\n  .emkSQ-ol li{ margin:8px 0; line-height:1.9; font-size:var(--emkSQ-body); }\n\n  .emkSQ-grid2{ display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:12px; margin-top:12px; }\n\n  .emkSQ-card{\n    border:1px solid var(--emkSQ-line);\n    border-radius:16px;\n    padding:14px;\n    background:rgba(255,255,255,.86);\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-card{ background:rgba(255,255,255,.06); }\n\n  .emkSQ-card--soft{ border-color:rgba(14,165,164,.30); background:linear-gradient(180deg, rgba(14,165,164,.10), rgba(255,255,255,.74)); }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-card--soft{ background:linear-gradient(180deg, rgba(14,165,164,.12), rgba(255,255,255,.05)); }\n\n  .emkSQ-card--accent{ border-color:rgba(245,158,11,.25); background:linear-gradient(180deg, rgba(245,158,11,.10), rgba(255,255,255,.74)); }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-card--accent{ background:linear-gradient(180deg, rgba(245,158,11,.10), rgba(255,255,255,.05)); }\n\n  .emkSQ-note{\n    margin-top:12px; padding:12px 14px; border-radius:14px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(14,165,164,.08);\n    line-height:1.9; font-size:14.5px; max-width:var(--emkSQ-measure);\n  }\n\n  .emkSQ-tipBox{\n    margin-top:12px; padding:12px 14px; border-radius:14px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(11,42,74,.06);\n    max-width:var(--emkSQ-measure);\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-tipBox{ background:rgba(255,255,255,.05); }\n  .emkSQ-tipTitle{ font-weight:900; margin-bottom:6px; }\n  .emkSQ-tipText{ margin:0; color:var(--emkSQ-muted); line-height:1.9; }\n\n  \/* Table *\/\n  .emkSQ-tableWrap{\n    margin-top:10px; overflow:auto; border-radius:14px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(2,6,23,.02);\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-tableWrap{ background:rgba(0,0,0,.20); }\n  .emkSQ-table{ width:100%; border-collapse:collapse; min-width:980px; }\n  .emkSQ-table th, .emkSQ-table td{\n    padding:12px 12px; border-bottom:1px solid var(--emkSQ-line);\n    vertical-align:top; line-height:1.75; font-size:13.75px;\n  }\n  .emkSQ-table th{\n    position:sticky; top:0; background:rgba(255,255,255,.92); font-weight:900; z-index:1;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-table th{ background:rgba(255,255,255,.06); }\n\n  \/* CTA *\/\n  .emkSQ-ctaBtns{ display:grid; grid-template-columns:1fr 1fr; gap:10px; margin-top:10px; }\n  .emkSQ-ctaBtn{\n    display:flex; gap:12px; align-items:center;\n    padding:12px 12px; border-radius:16px;\n    border:1px solid var(--emkSQ-line);\n    background:rgba(255,255,255,.86);\n    text-decoration:none; min-height:64px;\n    transition:transform .15s ease, border-color .15s ease, background .15s ease;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-ctaBtn{ background:rgba(255,255,255,.06); }\n  .emkSQ-ctaBtn:hover{ transform:translateY(-1px); border-color:rgba(14,165,164,.45); background:rgba(14,165,164,.08); }\n  .emkSQ-ctaBtn--wa:hover{ border-color:rgba(34,197,94,.45); background:rgba(34,197,94,.10); }\n\n  .emkSQ-ctaIc{\n    font-size:18px; width:36px; height:36px; display:grid; place-items:center;\n    border-radius:12px; border:1px solid var(--emkSQ-line); background:rgba(2,6,23,.03);\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-ctaIc{ background:rgba(255,255,255,.06); }\n  .emkSQ-ctaSub{ color:var(--emkSQ-muted); font-weight:600; font-size:13px; }\n\n  \/* Checklist *\/\n  .emkSQ-check{ margin:8px 0 0; padding:0 0 0 18px; max-width:var(--emkSQ-measure); }\n  .emkSQ-check li{ margin:8px 0; line-height:1.8; font-size:var(--emkSQ-body); }\n  .emkSQ-check input{ transform:scale(1.05); margin-right:8px; }\n\n  \/* FAQ *\/\n  .emkSQ-faq{ display:grid; gap:10px; margin-top:10px; max-width:var(--emkSQ-measure); }\n  .emkSQ-faqItem{\n    border-radius:14px; border:1px solid var(--emkSQ-line);\n    background:rgba(2,6,23,.02); padding:10px 12px;\n  }\n  .emkSQ-themeToggle:checked + .emkSQ-doc .emkSQ-faqItem{ background:rgba(255,255,255,.05); }\n  .emkSQ-faqItem summary{\n    cursor:pointer; font-weight:900; line-height:1.75; list-style:none;\n    font-family:\"Space Grotesk\", Inter, system-ui;\n  }\n  .emkSQ-faqItem summary::-webkit-details-marker{ display:none; }\n  .emkSQ-faqBody{ padding-top:8px; color:var(--emkSQ-muted); line-height:1.9; font-size:var(--emkSQ-body); }\n\n  \/* Footer *\/\n  .emkSQ-footer{ margin-top:14px; padding:6px 0 16px; }\n  .emkSQ-footerLine{ height:1px; background:var(--emkSQ-line); margin:0 0 12px; }\n  .emkSQ-footerText{ margin:0; color:var(--emkSQ-muted); font-size:12.5px; text-align:center !important; }\n\n  \/* Collapsed sections *\/\n  .emkSQ-sec.is-collapsed .emkSQ-secBody{ display:none; }\n  .emkSQ-sec.is-collapsed .emkSQ-secHead{ border-bottom:none; }\n\n  \/* Responsive *\/\n  @media (max-width:1024px){\n    .emkSQ-grid2{ grid-template-columns:1fr; }\n    .emkSQ-table{ min-width:780px; 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