{"id":5056,"date":"2026-04-09T14:48:39","date_gmt":"2026-04-09T06:48:39","guid":{"rendered":"https:\/\/txjpcba.com\/?p=5056"},"modified":"2026-04-09T14:48:39","modified_gmt":"2026-04-09T06:48:39","slug":"how-to-prepare-pcb-for-coating","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/es\/how-to-prepare-pcb-for-coating\/","title":{"rendered":"How to prepare PCB for coating?"},"content":{"rendered":"<h2 data-section-id=\"yo712d\" data-start=\"0\" data-end=\"47\"><span role=\"text\">Prepare PCB for <strong data-start=\"26\" data-end=\"47\">Revestimiento<\/strong><\/span><\/h2>\n<p data-start=\"49\" data-end=\"279\">Proper preparation is essential before applying <strong data-start=\"97\" data-end=\"118\">Revestimiento conforme<\/strong> en <strong data-start=\"122\" data-end=\"138\">Montaje de PCB<\/strong> y <strong data-start=\"143\" data-end=\"159\">Montaje SMT<\/strong>. A well-prepared PCB ensures strong adhesion, uniform coverage, and long-term protection against environmental factors.<\/p>\n<figure id=\"attachment_5060\" aria-describedby=\"caption-attachment-5060\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-5060\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-prepare-PCB-for-coating.jpg\" alt=\"How to prepare PCB for coating\" width=\"800\" height=\"597\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-prepare-PCB-for-coating.jpg 800w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-prepare-PCB-for-coating-300x224.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-prepare-PCB-for-coating-768x573.jpg 768w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/How-to-prepare-PCB-for-coating-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-5060\" class=\"wp-caption-text\">How to prepare PCB for coating<\/figcaption><\/figure>\n<h3 data-section-id=\"1a61kau\" data-start=\"281\" data-end=\"303\">Initial inspection<\/h3>\n<p data-start=\"305\" data-end=\"367\">Before any preparation, the PCB should be carefully inspected.<\/p>\n<ul data-start=\"369\" data-end=\"519\">\n<li data-section-id=\"ba2p4w\" data-start=\"369\" data-end=\"426\">Check for solder defects, loose components, or damage<\/li>\n<li data-section-id=\"1xu6r1n\" data-start=\"427\" data-end=\"474\">Ensure all assembly processes are completed<\/li>\n<li data-section-id=\"1y35v0d\" data-start=\"475\" data-end=\"519\">Verify there are no visible contaminants<\/li>\n<\/ul>\n<p data-start=\"521\" data-end=\"626\">Defects should be corrected before coating, as rework becomes more difficult after <a href=\"https:\/\/txjpcba.com\/es\/revestimiento-de-conformacion\/\"><strong data-start=\"604\" data-end=\"625\">Revestimiento conforme<\/strong><\/a>.<\/p>\n<h3 data-section-id=\"1fxwzfv\" data-start=\"628\" data-end=\"648\">Cleaning the PCB<\/h3>\n<p data-start=\"650\" data-end=\"697\">Cleaning is the most critical preparation step.<\/p>\n<ul data-start=\"699\" data-end=\"878\">\n<li data-section-id=\"i4vkbc\" data-start=\"699\" data-end=\"753\">Remove flux residues, oils, dust, and fingerprints<\/li>\n<li data-section-id=\"6lo04l\" data-start=\"754\" data-end=\"820\">Use solvent cleaning, aqueous cleaning, or ultrasonic cleaning<\/li>\n<li data-section-id=\"pnlhyo\" data-start=\"821\" data-end=\"878\">Ensure the surface is completely free of contaminants<\/li>\n<\/ul>\n<p data-start=\"880\" data-end=\"949\">A clean surface is essential for proper adhesion in <a href=\"https:\/\/txjpcba.com\/es\/montaje-de-pcb\/\"><strong data-start=\"932\" data-end=\"948\">Montaje de PCB<\/strong><\/a>.<\/p>\n<h3 data-section-id=\"wr8kvb\" data-start=\"951\" data-end=\"976\">Rinsing (if required)<\/h3>\n<p data-start=\"978\" data-end=\"1009\">For aqueous cleaning processes:<\/p>\n<ul data-start=\"1011\" data-end=\"1110\">\n<li data-section-id=\"ms6ei2\" data-start=\"1011\" data-end=\"1057\">Rinse thoroughly with deionized (DI) water<\/li>\n<li data-section-id=\"1vw1z30\" data-start=\"1058\" data-end=\"1110\">Remove any remaining cleaning agents or residues<\/li>\n<\/ul>\n<p data-start=\"1112\" data-end=\"1192\">Improper rinsing can leave ionic contamination that affects coating performance.<\/p>\n<h3 data-section-id=\"epjy9u\" data-start=\"1194\" data-end=\"1225\">Drying and moisture removal<\/h3>\n<p data-start=\"1227\" data-end=\"1274\">After cleaning, the PCB must be completely dry.<\/p>\n<ul data-start=\"1276\" data-end=\"1375\">\n<li data-section-id=\"1y2zdp\" data-start=\"1276\" data-end=\"1327\">Use hot air ovens, vacuum drying, or air drying<\/li>\n<li data-section-id=\"1lyi80e\" data-start=\"1328\" data-end=\"1375\">Eliminate moisture trapped under components<\/li>\n<\/ul>\n<p data-start=\"1377\" data-end=\"1466\">Moisture can cause bubbling, poor adhesion, or corrosion under the <strong data-start=\"1444\" data-end=\"1465\">Revestimiento conforme<\/strong>.<\/p>\n<h3 data-section-id=\"bcyipm\" data-start=\"1468\" data-end=\"1495\">Masking sensitive areas<\/h3>\n<p data-start=\"1497\" data-end=\"1546\">Masking protects areas that should not be coated.<\/p>\n<ul data-start=\"1548\" data-end=\"1642\">\n<li data-section-id=\"hede1\" data-start=\"1548\" data-end=\"1593\">Connectors, switches, relays, test points<\/li>\n<li data-section-id=\"1qsurn1\" data-start=\"1594\" data-end=\"1642\">Use masking tapes, plugs, or custom fixtures<\/li>\n<\/ul>\n<p data-start=\"1644\" data-end=\"1729\">Proper masking ensures functionality is maintained after coating in <a href=\"https:\/\/txjpcba.com\/es\/servicios-de-montaje-de-smt\/\"><strong data-start=\"1712\" data-end=\"1728\">Montaje SMT<\/strong><\/a>.<\/p>\n<h3 data-section-id=\"1cgpz8o\" data-start=\"1731\" data-end=\"1764\">Surface activation (optional)<\/h3>\n<p data-start=\"1766\" data-end=\"1835\">In some cases, surface treatment is used to improve coating adhesion.<\/p>\n<ul data-start=\"1837\" data-end=\"1921\">\n<li data-section-id=\"13zlqax\" data-start=\"1837\" data-end=\"1877\">Plasma treatment or corona treatment<\/li>\n<li data-section-id=\"1tfq8ip\" data-start=\"1878\" data-end=\"1921\">Enhances bonding for difficult surfaces<\/li>\n<\/ul>\n<p data-start=\"1923\" data-end=\"1997\">This step is often used in high-reliability <strong data-start=\"1967\" data-end=\"1983\">Montaje de PCB<\/strong> aplicaciones.<\/p>\n<h3 data-section-id=\"1e02i6z\" data-start=\"1999\" data-end=\"2025\">Pre-heating (optional)<\/h3>\n<p data-start=\"2027\" data-end=\"2082\">Pre-heating the PCB before coating can improve results.<\/p>\n<ul data-start=\"2084\" data-end=\"2189\">\n<li data-section-id=\"92s003\" data-start=\"2084\" data-end=\"2125\">Reduces moisture and viscosity issues<\/li>\n<li data-section-id=\"1ysbrd8\" data-start=\"2126\" data-end=\"2155\">Helps coating flow evenly<\/li>\n<li data-section-id=\"a2w4df\" data-start=\"2156\" data-end=\"2189\">Minimizes bubbles and defects<\/li>\n<\/ul>\n<p data-start=\"2191\" data-end=\"2257\">This is especially useful in automated <strong data-start=\"2230\" data-end=\"2246\">Montaje SMT<\/strong> procesos.<\/p>\n<h3 data-section-id=\"v4g7sk\" data-start=\"2259\" data-end=\"2294\">Final inspection before coating<\/h3>\n<p data-start=\"2296\" data-end=\"2357\">Before applying <strong data-start=\"2312\" data-end=\"2333\">Revestimiento conforme<\/strong>, perform a final check:<\/p>\n<ul data-start=\"2359\" data-end=\"2475\">\n<li data-section-id=\"10rl3x4\" data-start=\"2359\" data-end=\"2390\">Ensure PCB is clean and dry<\/li>\n<li data-section-id=\"10bd8a\" data-start=\"2391\" data-end=\"2431\">Confirm masking is correctly applied<\/li>\n<li data-section-id=\"13ddmyi\" data-start=\"2432\" data-end=\"2475\">Verify no foreign particles are present<\/li>\n<\/ul>\n<p data-start=\"2477\" data-end=\"2538\">This step ensures readiness for a successful coating process.<\/p>\n<h3 data-section-id=\"8ep03t\" data-start=\"2540\" data-end=\"2560\">Conclusi\u00f3n final<\/h3>\n<p data-start=\"2562\" data-end=\"2885\">Preparing a PCB for <strong data-start=\"2582\" data-end=\"2603\">Revestimiento conforme<\/strong> involves inspection, cleaning, drying, masking, and optional surface treatments. In <strong data-start=\"2688\" data-end=\"2704\">Montaje de PCB<\/strong> y <strong data-start=\"2709\" data-end=\"2725\">Montaje SMT<\/strong>, proper preparation is the foundation for achieving reliable coating performance, preventing defects, and ensuring long-term protection of electronic products.<\/p>\n<div style=\"background: #f8f8f8; border: 1px solid #e5e5e5; padding: 25px; margin-top: 30px; border-radius: 6px;\">\n<div style=\"text-align: center;\">\n<h3 style=\"margin-bottom: 10px; font-size: 22px;\">Obtenga un presupuesto de revestimiento de conformaci\u00f3n<\/h3>\n<p style=\"font-size: 15px; color: #555; margin-bottom: 15px;\">\u00bfEst\u00e1 planificando un nuevo proyecto de PCBA con requisitos de revestimiento? 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Si tiene requisitos espec\u00edficos de material de revestimiento (por ejemplo, HumiSeal), menci\u00f3nelo en el cuadro de mensaje que aparece a continuaci\u00f3n.<\/div><\/div><script>\n\t\t\t\t( function() {\n\t\t\t\t\tconst style = document.createElement( 'style' );\n\t\t\t\t\tstyle.appendChild( document.createTextNode( '#wpforms-2237-field_3-container { position: absolute !important; overflow: hidden !important; display: inline !important; height: 1px !important; width: 1px !important; z-index: -1000 !important; padding: 0 !important; } #wpforms-2237-field_3-container input { visibility: hidden; } #wpforms-conversational-form-page #wpforms-2237-field_3-container label { counter-increment: none; }' ) );\n\t\t\t\t\tdocument.head.appendChild( style );\n\t\t\t\t\tdocument.currentScript?.remove();\n\t\t\t\t} )();\n\t\t\t<\/script><\/div><!-- .wpforms-field-container --><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"2237\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/posts\/5056\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-2237\" class=\"wpforms-submit\" aria-live=\"assertive\" value=\"wpforms-submit\">Enviar<\/button><img decoding=\"async\" src=\"https:\/\/txjpcba.com\/wp-content\/plugins\/wpforms\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" width=\"26\" height=\"26\" alt=\"Cargando\"><\/div><input type=\"hidden\" name=\"trp-form-language\" value=\"es\"\/><\/form><\/div>  <!-- .wpforms-container --><\/div>\n<p style=\"font-size: 13px; color: #888; margin-top: 15px; text-align: center;\">Shenzhen Tengxinjie Electronics Co.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Prepare PCB for Coating Proper preparation is essential before applying Conformal Coating in PCB Assembly and SMT Assembly. A well-prepared [&hellip;]<\/p>","protected":false},"author":1,"featured_media":5060,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[71,256],"tags":[550,551,443,444,540,543,549,297],"class_list":["post-5056","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faqs","category-conformal-coating","tag-coating-preparation-steps","tag-electronics-manufacturing-process","tag-osp-coating","tag-osp-coating-pcb","tag-pcb-cleaning-before-coating","tag-pcb-surface-preparation","tag-prepare-pcb-for-coating","tag-silicone-conformal-coating-for-pcb"],"_links":{"self":[{"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/posts\/5056","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/comments?post=5056"}],"version-history":[{"count":1,"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/posts\/5056\/revisions"}],"predecessor-version":[{"id":5061,"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/posts\/5056\/revisions\/5061"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/media\/5060"}],"wp:attachment":[{"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/media?parent=5056"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/categories?post=5056"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/txjpcba.com\/es\/wp-json\/wp\/v2\/tags?post=5056"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}