{"id":7156,"date":"2026-11-05T00:18:46","date_gmt":"2026-11-05T00:18:46","guid":{"rendered":"https:\/\/koitorhardware.com\/?p=7156"},"modified":"2026-11-05T00:18:46","modified_gmt":"2026-11-05T00:18:46","slug":"powder-coat-cross-hatch-test","status":"publish","type":"post","link":"https:\/\/koitorhardware.com\/de\/powder-coat-cross-hatch-test\/","title":{"rendered":"Powder Coat Cross Hatch Test: 8 Proven IQC Steps"},"content":{"rendered":"<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-tape-pull.webp\" alt=\"Gloved hands performing powder coat cross hatch test tape pull on coated steel coupon with lattice cuts and loupe\" class=\"wp-image-7154\" srcset=\"https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-tape-pull.webp 1280w, https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-tape-pull-300x169.webp 300w, https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-tape-pull-1024x576.webp 1024w, https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-tape-pull-768x432.webp 768w, https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-tape-pull-18x10.webp 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Quality teams who treat the <strong>powder coat cross hatch test<\/strong> as a one-time PPAP photo inherit field peels that never fail cosmetic AQL. This article freezes buyer and OEM IQC language for cross-hatch (cross-cut) adhesion on powder-coated bathroom and kitchen hardware\u2014method choice, blade and tape control, zone maps, grading photos, and disposition\u2014so every lot uses the same steps.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It is deliberately complementary to powder science pillars, humid-bathroom coating controls, and visual defect catalogs. Those pages explain process and defect names. This page is the method execution post for IQC. Photos are generic. Koitor Hardware supports powder-coated storage hardware programs from Jiangmen, China, with practical lab-instruction language for importers and private-label teams.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>In this guide<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"#why\">Why Powder Coat Cross Hatch Test Belongs in IQC, Not Only Lab Brochures<\/a><\/li>\n<li><a href=\"#freeze\">How to Freeze Powder Coat Cross Hatch Test CTQs<\/a><\/li>\n<li><a href=\"#eight\">8 Essential IQC Steps for Powder Coat Cross Hatch Test<\/a><\/li>\n<li><a href=\"#disp\">Accept, Rework, or Reject: Cross-Hatch Disposition<\/a><\/li>\n<li><a href=\"#rfq\">RFQ Checklist Language for Method, Tape, and Grades<\/a><\/li>\n<li><a href=\"#faq\">FAQ<\/a><\/li>\n<li><a href=\"#cta\">Send Your Spec<\/a><\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"why\">Why Powder Coat Cross Hatch Test Belongs in IQC, Not Only Lab Brochures<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Factories that treat the <strong>powder coat cross hatch test<\/strong> as a brochure photo inherit lot peels that never appear on cosmetic AQL sheets.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cross-hatch (cross-cut) adhesion is a method post: how to cut, tape, pull, grade, and retain evidence. It complements coating science pillars and defect catalogs without rewriting them.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bathroom wire and accessory buyers need powder coat cross hatch test language that IQC can run on coupons and selected production zones every lot\u2014not only during PPAP.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Freezing method details stops supplier\u2013buyer arguments about \u201cour lab got 5B \/ your lab got 3B.\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"freeze\">How to Freeze Powder Coat Cross Hatch Test CTQs<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Start powder coat cross hatch test with method standard, spacing\/blade count, tape identity, dwell, pull angle, min classification, zones, and photo retain rules.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">State whether tests run on dedicated coupons, sacrificial production parts, or both. Wire OD testing needs adapted technique notes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Link but do not duplicate process pillars: <a href=\"https:\/\/koitorhardware.com\/de\/powder-coating-science-thickness-pretreatment-defects\/\">powder coating science<\/a>, <a href=\"https:\/\/koitorhardware.com\/de\/humid-bathroom-powder-coating-dft-pretreatment-faraday-cage-packaging\/\">humid bathroom powder coating<\/a>, and <a href=\"https:\/\/koitorhardware.com\/de\/powder-coated-shower-caddy-defects\/\">powder coated shower caddy defects<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Primary external method references: <a href=\"https:\/\/store.astm.org\/d3359-23.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D3359<\/a> und <a href=\"https:\/\/www.iso.org\/standard\/70133.html\" target=\"_blank\" rel=\"noopener nofollow\">ISO 2409<\/a>. Pick one as PO primary.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"eight\">8 Essential IQC Steps for Powder Coat Cross Hatch Test<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Eight steps keep every powder coat cross hatch test run auditable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do not cross-hatch undercured parts as a color check. Note DFT map reference beside adhesion.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Flat, edge, weld, Faraday interior\u2014follow the map. Random easy flats fake confidence.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Blade change schedule is part of powder coat cross hatch test control. Dull blades leave bridges that look like 5B.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Before tape, document the cut. Photos settle disputes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Freeze tape brand\/type. Dwell too short or too long changes grades.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Yank angle variation is a common lab-to-lab gap.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Record class per zone. Attach after-pull photo.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Sign accept\/rework\/reject per frozen class rules. Retain tape and coupon per powder coat cross hatch test retention policy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Accept when all required zones meet min class for the this adhesion method RFQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Rework means strip\/re-pretreat\/recoat with full re-test\u2014not spot touch-up over failed lattice.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reject when any critical zone falls below hard class, or when peel is already visible before cutting.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If labs disagree, audit tape, blade, pull angle, and lighting before changing the product.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This adhesion method blanks: standard ASTM D3359 Method __ \/ ISO 2409. Spacing ______. Tape ______. Dwell ______. Pull ______. Min class ______. Zones ______. Coupon policy ______. Photo retain ______. Retention days ______.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lot sheet must show operator, blade lot\/change, tape lot, classes by zone, and disposition signature.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Train new inspectors with a graded photo board before they sign live this adhesion method lots.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Multi-blade cutters speed flats; single knives may be needed on wire OD\u2014document both.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Humidity conditioning before this adhesion method is optional but powerful for wet-room SKUs\u2014state if required.<\/p>\n\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"disp\">Accept, Rework, or Reject: Cross-Hatch Disposition<\/h2>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"rfq\">RFQ Checklist Language for Method, Tape, and Grades<\/h2>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Never reuse tape squares; adhesive pickup changes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dual plants must exchange physical grade boards for this adhesion method, not only PDFs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Track cross-hatch fail PPM separately from orange-peel cosmetic PPM.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Oven profile changes require immediate this adhesion method re-FA.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Undercure can show as cohesive film tear that looks like adhesion fail\u2014pair with cure checks.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keep failed tapes in zip bags labeled with lot for this adhesion method MRB reviews.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Do not perform cross-hatch on the only marketing sample without a plan to refinish or scrap.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">For matte black, loupe lighting angle matters\u2014standardize lamps in the this adhesion method work instruction.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Coordinate with color IQC so adhesion coupons are not confused with \u0394E masters.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Wire baskets: specify whether this adhesion method is on witness coupons coated on the same rack or on cut wires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Third-party quotes must include your tape and class limits or results are not comparable.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Safety: cut-resistant gloves and eye protection belong in the this adhesion method WI.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Audit weekly: dull blades and expired tape are the top silent variables.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When grades sit on the 4B\/3B border, require second inspector confirmation for this adhesion method release.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Link MRB actions to pretreatment audits when edge zones fail repeatedly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Publish the classification chart at the bench\u2014memory grading destroys this adhesion method integrity.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Close the loop: field peel returns should trigger a method audit, not only a supplier scolding.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Record DFT context beside each cross-hatch zone using practice consistent with <a href=\"https:\/\/store.astm.org\/d7091-22.html\" target=\"_blank\" rel=\"noopener nofollow\">ASTM D7091<\/a> so under-film thickness is visible in the same lot sheet.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Write change-control so chemistry, tooling, or bake edits cannot ship without a signed first-article pack.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keep a sealed master and a working reference; replace working references on a calendar before they scuff into false fails.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Train inspectors with photo boards of borderline cases so two shifts grade the same way on Monday and Friday.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Separate cosmetic AQL language from method CTQs on the disposition sheet so teams do not waive the wrong gate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dual-source programs must exchange physical masters and gauges, not only PDF drawings, before the second plant ships.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Remote approvals need overnighted coupons or sealed masters; video calls under mixed room light are not lot release.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Scorecards should track finish or fit PPM separately from weld PPM so capital goes to the line that actually fails.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Packaging teams must not create scuffs that receiving later blames on finish or adhesion\u2014align PE and separator notes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">First-article packages without photos, instrument IDs, and signatures create \u201cwe thought it was approved\u201d disputes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Seasonal rush cannot skip method checks; gauge capacity and lab time belong in the capacity plan with weld hours.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Field returns should trigger a method audit checklist, not only a supplier email, when the same fail repeats.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Marketing photography should use the same lighting mood as acceptance masters so catalogs do not oversell finish.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">IFU warnings about cleaners and misuse protect both the buyer and the factory when returns arrive months later.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Retention policies for masters, tapes, and coupons need days and owners named\u2014orphaned evidence helps no one.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Third-party labs require your exact method recipe in the PO; otherwise their grades are not comparable to yours.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\">Write change-control so chemistry, tooling, or bake edits cannot ship without a signed first-article pack.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Keep a sealed master and a working reference; replace working references on a calendar before they scuff into false fails.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Train inspectors with photo boards of borderline cases so two shifts grade the same way on Monday and Friday.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Separate cosmetic AQL language from method CTQs on the disposition sheet so teams do not waive the wrong gate.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dual-source programs must exchange physical masters and gauges, not only PDF drawings, before the second plant ships.<\/p>\n\n\n\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1280\" height=\"720\" src=\"https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-grade-tray.webp\" alt=\"Powder-coated coupons after powder coat cross hatch test grading on tray with pass-fail tags, DFT gauge, and RFQ checklist\" class=\"wp-image-7155\" srcset=\"https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-grade-tray.webp 1280w, https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-grade-tray-300x169.webp 300w, https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-grade-tray-1024x576.webp 1024w, https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-grade-tray-768x432.webp 768w, https:\/\/koitorhardware.com\/wp-content\/uploads\/2026\/11\/powder-coat-cross-hatch-test-grade-tray-18x10.webp 18w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption class=\"wp-element-caption\">Late-article visual: graded coupons and evidence pack for powder coat cross hatch test.<\/figcaption><\/figure>\n\n\n<p class=\"wp-block-paragraph\">Third-party labs need your spacing and tape brand in the PO or their Class numbers are not yours. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Link cross-hatch frequency to risk: wet-room and outdoor SKUs need higher sample rates than dry d\u00e9cor. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Store cutters and tape in controlled cabinets; shop-floor heat ruins tape consistency. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Publish disposition rules: which Class fails the lot, which triggers rework, which is watch-and-trend. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Publish the exact ASTM D3359 procedure version, spacing, and tape on the IQC sheet before the first mass lot. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cross-hatch is a method, not a vibe; photo the lattice next to a grade card every time. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Train operators on cutting force; deep cuts into soft substrate create false low grades. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Calibrate lighting for photo retention so gray powders and black powders read equally. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use the same tape lot across shifts; adhesive strength drift changes grades without chemistry change. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Record dwell time and peel angle; \u201cquick peel\u201d and \u201cslow peel\u201d are different tests in disguise. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Edge lattices and flat lattices can diverge\u2014state which locations are mandatory per SKU. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">First-article packs without cross-hatch photos are incomplete even when thickness is perfect. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dual plants must exchange graded photo boards quarterly so Class language stays aligned. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do not waive adhesion because gloss or \u0394E passed; those CTQs answer different failure modes. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Humidity and temperature at test time belong on the lot record next to the grade. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Reworked parts need a fresh lattice after re-bake; old cuts do not prove the new cure. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">CAPA for peel returns should start with method audit before chemistry blame. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ISTA damage that scrapes coating is not an adhesion fail; keep categories separate on scorecards. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Buyer audits love method discipline; keep cutter blades replaced on a calendar with serial logs. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Matte textures can hide lift until tape pulls\u2014use raking light during grading. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Third-party labs need your spacing and tape brand in the PO or their Class numbers are not yours. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Link cross-hatch frequency to risk: wet-room and outdoor SKUs need higher sample rates than dry d\u00e9cor. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Store cutters and tape in controlled cabinets; shop-floor heat ruins tape consistency. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Publish disposition rules: which Class fails the lot, which triggers rework, which is watch-and-trend. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Publish the exact ASTM D3359 procedure version, spacing, and tape on the IQC sheet before the first mass lot. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cross-hatch is a method, not a vibe; photo the lattice next to a grade card every time. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Train operators on cutting force; deep cuts into soft substrate create false low grades. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Calibrate lighting for photo retention so gray powders and black powders read equally. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Use the same tape lot across shifts; adhesive strength drift changes grades without chemistry change. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Record dwell time and peel angle; \u201cquick peel\u201d and \u201cslow peel\u201d are different tests in disguise. Keep owners named on the same page as the numeric CTQ.<\/p>\n\n\n\n\n\n<h2 class=\"wp-block-heading\" id=\"faq\">FAQ: Powder Coat Cross Hatch Test<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Is cross hatch the same as pencil hardness?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. Hardness \u2260 adhesion. Keep this adhesion method separate from hardness CTQs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Method A vs B in ASTM D3359?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Follow thickness guidance in the standard; freeze the choice in the PO.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Can IQC skip photos?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">No. Photos are part of evidence for buyer disputes.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How often per lot?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Define sampling\u2014commonly each powder lot \/ shift \/ AQL pull. Write the number.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">How does this relate to coating pillars?<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Complementary method post; pillars cover process\/defects; this freezes IQC execution.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"cta\">Send Your Powder Coat Cross Hatch Test Spec for Review<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If you are freezing this adhesion method work instructions, send your current method notes and min grades. We can help align them to ASTM\/ISO buyer language before mass PO.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Contact Koitor Hardware via the <a href=\"https:\/\/koitorhardware.com\/de\/kontakt\/\">contact page<\/a> or email <a href=\"mailto:simon@koitorhardware.com\">simon@koitorhardware.com<\/a>. Factory support is based in Jiangmen, China.<\/p>","protected":false},"excerpt":{"rendered":"<p>Buyer IQC guide to powder coat cross hatch test\u2014ASTM D3359\/ISO 2409 steps, tape control, zone grading, photos, and disposition for powder hardware.<\/p>","protected":false},"author":2,"featured_media":7153,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[145,21],"tags":[40,69,74,37],"class_list":["post-7156","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hardware-sourcing-knowledge","category-quality-control","tag-importer-buying-guide","tag-oem-sourcing","tag-product-specification","tag-quality-control"],"_links":{"self":[{"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/posts\/7156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/comments?post=7156"}],"version-history":[{"count":1,"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/posts\/7156\/revisions"}],"predecessor-version":[{"id":7157,"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/posts\/7156\/revisions\/7157"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/media\/7153"}],"wp:attachment":[{"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/media?parent=7156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/categories?post=7156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/koitorhardware.com\/de\/wp-json\/wp\/v2\/tags?post=7156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}