{"id":4943,"date":"2026-04-08T14:36:14","date_gmt":"2026-04-08T06:36:14","guid":{"rendered":"https:\/\/txjpcba.com\/?p=4943"},"modified":"2026-04-08T14:36:14","modified_gmt":"2026-04-08T06:36:14","slug":"what-coating-is-used-in-aerospace-pcbs","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/it\/what-coating-is-used-in-aerospace-pcbs\/","title":{"rendered":"What coating is used in aerospace PCBs?"},"content":{"rendered":"<h2 data-start=\"0\" data-end=\"42\"><strong data-start=\"0\" data-end=\"42\">Coating is used in aerospace PCBs<\/strong><\/h2>\n<p data-start=\"44\" data-end=\"368\">Aerospace electronics operate in some of the harshest environments\u2014extreme temperatures, rapid pressure changes, vibration, and exposure to moisture or contaminants. Because of these conditions, <strong data-start=\"239\" data-end=\"260\">Rivestimento conforme<\/strong> is essential in aerospace <strong data-start=\"287\" data-end=\"303\">Assemblaggio di PCB<\/strong> e <strong data-start=\"308\" data-end=\"324\">Assemblaggio SMT<\/strong> to ensure long-term reliability and safety.<\/p>\n<figure id=\"attachment_4944\" aria-describedby=\"caption-attachment-4944\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-4944\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-coating-is-used-in-aerospace-PCBs.jpg\" alt=\"What coating is used in aerospace PCBs\" width=\"800\" height=\"597\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-coating-is-used-in-aerospace-PCBs.jpg 800w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-coating-is-used-in-aerospace-PCBs-300x224.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-coating-is-used-in-aerospace-PCBs-768x573.jpg 768w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-coating-is-used-in-aerospace-PCBs-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-4944\" class=\"wp-caption-text\">What coating is used in aerospace PCBs<\/figcaption><\/figure>\n<p data-start=\"370\" data-end=\"414\"><strong data-start=\"370\" data-end=\"414\">Most commonly used coatings in aerospace<\/strong><\/p>\n<p data-start=\"416\" data-end=\"537\">There is no single universal coating, but the following types are most widely used in aerospace <a href=\"https:\/\/txjpcba.com\/it\/assemblaggio-pcb-chiavi-in-mano\/\"><strong data-start=\"512\" data-end=\"536\">Assemblaggio di PCB chiavi in mano<\/strong><\/a>:<\/p>\n<p data-start=\"539\" data-end=\"670\"><strong data-start=\"539\" data-end=\"593\">Parylene coating (top choice for critical systems)<\/strong><br data-start=\"593\" data-end=\"596\" \/>Parylene is often considered the gold standard for aerospace applications.<\/p>\n<ul data-start=\"672\" data-end=\"918\">\n<li data-section-id=\"1j7gtbf\" data-start=\"672\" data-end=\"744\">Ultra-thin, uniform, and pinhole-free coating (via vapor deposition)<\/li>\n<li data-section-id=\"ebhgun\" data-start=\"745\" data-end=\"808\">Excellent dielectric strength for high-reliability circuits<\/li>\n<li data-section-id=\"r704pr\" data-start=\"809\" data-end=\"854\">Superior moisture and chemical resistance<\/li>\n<li data-section-id=\"fwtyo4\" data-start=\"855\" data-end=\"918\">Performs well in extreme temperatures and vacuum conditions<\/li>\n<\/ul>\n<p data-start=\"920\" data-end=\"1087\">Because of its reliability, parylene is commonly used in satellites, avionics, and mission-critical systems. The main drawback is its high cost and complex processing.<\/p>\n<p data-start=\"1089\" data-end=\"1223\"><strong data-start=\"1089\" data-end=\"1133\">Silicone conformal coating (widely used)<\/strong><br data-start=\"1133\" data-end=\"1136\" \/>Silicone <strong data-start=\"1145\" data-end=\"1166\">Rivestimento conforme<\/strong> is another popular choice in aerospace <a href=\"https:\/\/txjpcba.com\/it\/assemblaggio-pcb\/\"><strong data-start=\"1206\" data-end=\"1222\">Assemblaggio di PCB<\/strong><\/a>.<\/p>\n<ul data-start=\"1225\" data-end=\"1419\">\n<li data-section-id=\"kyxhcf\" data-start=\"1225\" data-end=\"1281\">Excellent thermal stability (wide temperature range)<\/li>\n<li data-section-id=\"xp5tsl\" data-start=\"1282\" data-end=\"1337\">Flexible \u2192 withstands vibration and thermal cycling<\/li>\n<li data-section-id=\"1gjo8ue\" data-start=\"1338\" data-end=\"1366\">Good moisture resistance<\/li>\n<li data-section-id=\"zwdb8x\" data-start=\"1367\" data-end=\"1419\">Strong performance in high-altitude environments<\/li>\n<\/ul>\n<p data-start=\"1421\" data-end=\"1555\">Silicone is often used in avionics, control systems, and power electronics where flexibility and temperature resistance are important.<\/p>\n<p data-start=\"1557\" data-end=\"1677\"><strong data-start=\"1557\" data-end=\"1607\">Polyurethane coating (for chemical resistance)<\/strong><br data-start=\"1607\" data-end=\"1610\" \/>Polyurethane coatings are used when chemical exposure is a concern.<\/p>\n<ul data-start=\"1679\" data-end=\"1823\">\n<li data-section-id=\"1vvmfnk\" data-start=\"1679\" data-end=\"1707\">Good dielectric strength<\/li>\n<li data-section-id=\"j1zroc\" data-start=\"1708\" data-end=\"1763\">Strong resistance to fuels, solvents, and chemicals<\/li>\n<li data-section-id=\"105ab0c\" data-start=\"1764\" data-end=\"1823\">Durable in harsh industrial-like aerospace environments<\/li>\n<\/ul>\n<p data-start=\"1825\" data-end=\"1892\">However, they are less flexible than silicone and harder to rework.<\/p>\n<p data-start=\"1894\" data-end=\"1992\"><strong data-start=\"1894\" data-end=\"1939\">Epoxy coating (for mechanical durability)<\/strong><br data-start=\"1939\" data-end=\"1942\" \/>Epossidico <a href=\"https:\/\/txjpcba.com\/it\/rivestimento-conformale\/\"><strong data-start=\"1948\" data-end=\"1969\">Rivestimento conforme<\/strong><\/a> is sometimes used for:<\/p>\n<ul data-start=\"1994\" data-end=\"2074\">\n<li data-section-id=\"iagqko\" data-start=\"1994\" data-end=\"2022\">Elevata resistenza meccanica<\/li>\n<li data-section-id=\"j3pipb\" data-start=\"2023\" data-end=\"2074\">Excellent adhesion and environmental resistance<\/li>\n<\/ul>\n<p data-start=\"2076\" data-end=\"2178\">But it is rigid, which makes it less suitable for applications with high vibration or thermal cycling.<\/p>\n<p data-start=\"2180\" data-end=\"2224\"><strong data-start=\"2180\" data-end=\"2224\">Why aerospace requires advanced coatings<\/strong><\/p>\n<p data-start=\"2226\" data-end=\"2279\">In aerospace <a href=\"https:\/\/txjpcba.com\/it\/servizi-di-assemblaggio-smt\/\"><strong data-start=\"2239\" data-end=\"2255\">Assemblaggio SMT<\/strong><\/a>, coatings must address:<\/p>\n<ul data-start=\"2281\" data-end=\"2528\">\n<li data-section-id=\"j8p6k7\" data-start=\"2281\" data-end=\"2346\">Extreme temperature fluctuations (from very low to very high)<\/li>\n<li data-section-id=\"1vpchkb\" data-start=\"2347\" data-end=\"2385\">Low pressure and vacuum conditions<\/li>\n<li data-section-id=\"13v72sk\" data-start=\"2386\" data-end=\"2426\">High vibration and mechanical stress<\/li>\n<li data-section-id=\"1mo3bta\" data-start=\"2427\" data-end=\"2481\">Moisture and condensation during ground operations<\/li>\n<li data-section-id=\"644nb9\" data-start=\"2482\" data-end=\"2528\">Long service life with minimal maintenance<\/li>\n<\/ul>\n<p data-start=\"2530\" data-end=\"2642\"><strong data-start=\"2530\" data-end=\"2551\">Rivestimento conforme<\/strong> helps prevent corrosion, electrical leakage, and failure under these demanding conditions.<\/p>\n<p data-start=\"2644\" data-end=\"2682\"><strong data-start=\"2644\" data-end=\"2682\">Standards and quality requirements<\/strong><\/p>\n<p data-start=\"2684\" data-end=\"2761\">Aerospace coatings typically need to meet strict industry standards, such as:<\/p>\n<ul data-start=\"2763\" data-end=\"2905\">\n<li data-section-id=\"1u1d7gp\" data-start=\"2763\" data-end=\"2821\">IPC-CC-830 (qualification and performance of coatings)<\/li>\n<li data-section-id=\"ws7o3x\" data-start=\"2822\" data-end=\"2905\">MIL-I-46058 (military specification, now largely replaced but still referenced)<\/li>\n<\/ul>\n<p data-start=\"2907\" data-end=\"3014\">These standards are often required in certified <strong data-start=\"2955\" data-end=\"2979\">Assemblaggio di PCB chiavi in mano<\/strong> processes for aerospace customers.<\/p>\n<p data-start=\"3016\" data-end=\"3030\"><strong data-start=\"3016\" data-end=\"3030\">Conclusione<\/strong><\/p>\n<p data-start=\"3032\" data-end=\"3452\">The most commonly used coatings in aerospace PCBs are <strong data-start=\"3086\" data-end=\"3098\">parilene<\/strong> e <strong data-start=\"3103\" data-end=\"3134\">silicone conformal coatings<\/strong>, with polyurethane and epoxy used in specific cases. In high-reliability <strong data-start=\"3208\" data-end=\"3224\">Assemblaggio di PCB<\/strong>, <strong data-start=\"3226\" data-end=\"3242\">Assemblaggio SMT<\/strong>, e <strong data-start=\"3248\" data-end=\"3272\">Assemblaggio di PCB chiavi in mano<\/strong>, coating selection depends on environmental conditions, mechanical stress, and performance requirements. For mission-critical aerospace systems, reliability always outweighs cost.<\/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;\">Richiedete un preventivo per il rivestimento conforme<\/h3>\n<p style=\"font-size: 15px; color: #555; margin-bottom: 15px;\">Avete domande sul rivestimento conformale per il vostro PCB? 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color: #888; margin-top: 15px; text-align: center;\">Shenzhen Tengxinjie Electronics Co., Ltd.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Coating is used in aerospace PCBs Aerospace electronics operate in some of the harshest environments\u2014extreme temperatures, rapid pressure changes, vibration, [&hellip;]<\/p>","protected":false},"author":1,"featured_media":4944,"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":[520,519,522,521,394,395,396,415],"class_list":["post-4943","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-faqs","category-conformal-coating","tag-aerospace-pcb-coating","tag-coating-is-used-in-aerospace-pcbs","tag-high-reliability-pcb","tag-parylene-coating-aerospace","tag-pcb-insulation-spray","tag-pcb-lacquer-spray","tag-pcb-protection-spray","tag-silicone-coating-pcb"],"_links":{"self":[{"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/posts\/4943","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/comments?post=4943"}],"version-history":[{"count":1,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/posts\/4943\/revisions"}],"predecessor-version":[{"id":4945,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/posts\/4943\/revisions\/4945"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/media\/4944"}],"wp:attachment":[{"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/media?parent=4943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/categories?post=4943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/txjpcba.com\/it\/wp-json\/wp\/v2\/tags?post=4943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}