{"id":5619,"date":"2026-04-21T16:11:07","date_gmt":"2026-04-21T08:11:07","guid":{"rendered":"https:\/\/txjpcba.com\/?p=5619"},"modified":"2026-04-21T16:11:07","modified_gmt":"2026-04-21T08:11:07","slug":"what-is-the-recommended-thickness-for-humiseal-coating","status":"publish","type":"post","link":"https:\/\/txjpcba.com\/zh\/what-is-the-recommended-thickness-for-humiseal-coating\/","title":{"rendered":"What is the recommended thickness for HumiSeal coating?"},"content":{"rendered":"<h2 data-start=\"0\" data-end=\"58\"><strong data-start=\"0\" data-end=\"58\">Recommended thickness for HumiSeal coating<\/strong><\/h2>\n<p data-start=\"60\" data-end=\"374\">The recommended thickness for <strong data-start=\"90\" data-end=\"120\">HumiSeal conformal coating<\/strong>, produced by <span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">Chase Corporation<\/span><\/span>, is typically <strong data-start=\"186\" data-end=\"214\">25 \u00b5m to 75 \u00b5m (microns)<\/strong>. This range is widely accepted in <strong data-start=\"249\" data-end=\"265\">PCB \u7d44\u88dd<\/strong>, <strong data-start=\"267\" data-end=\"283\">SMT \u7d44\u88dd<\/strong>, \u4ee5\u53ca <strong data-start=\"289\" data-end=\"313\">\u4ea4\u9470\u5319 PCB \u7d44\u88dd<\/strong> to achieve optimal protection without affecting performance.<\/p>\n<figure id=\"attachment_5620\" aria-describedby=\"caption-attachment-5620\" style=\"width: 800px\" class=\"wp-caption aligncenter\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-full wp-image-5620\" src=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-is-the-recommended-thickness-for-HumiSeal-coating.jpg\" alt=\"What is the recommended thickness for HumiSeal coating\" width=\"800\" height=\"597\" srcset=\"https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-is-the-recommended-thickness-for-HumiSeal-coating.jpg 800w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-is-the-recommended-thickness-for-HumiSeal-coating-300x224.jpg 300w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-is-the-recommended-thickness-for-HumiSeal-coating-768x573.jpg 768w, https:\/\/txjpcba.com\/wp-content\/uploads\/2026\/04\/What-is-the-recommended-thickness-for-HumiSeal-coating-16x12.jpg 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption id=\"caption-attachment-5620\" class=\"wp-caption-text\">What is the recommended thickness for HumiSeal coating<\/figcaption><\/figure>\n<p data-start=\"376\" data-end=\"409\"><strong data-start=\"376\" data-end=\"409\">Standard thickness guidelines<\/strong><\/p>\n<ul data-start=\"411\" data-end=\"568\">\n<li data-section-id=\"5r2pqv\" data-start=\"411\" data-end=\"473\"><strong data-start=\"413\" data-end=\"425\">25\u201350 \u00b5m<\/strong> \u2192 Standard protection for general electronics<\/li>\n<li data-section-id=\"k7hcrf\" data-start=\"474\" data-end=\"568\"><strong data-start=\"476\" data-end=\"488\">50\u201375 \u00b5m<\/strong> \u2192 Enhanced protection for harsh environments (humidity, chemicals, vibration)<\/li>\n<\/ul>\n<p data-start=\"570\" data-end=\"646\">This thickness ensures good insulation, moisture resistance, and durability.<\/p>\n<p data-start=\"648\" data-end=\"689\"><strong data-start=\"648\" data-end=\"689\">Recommended thickness by coating type<\/strong><\/p>\n<p data-start=\"691\" data-end=\"751\">Different HumiSeal materials may require slight adjustments:<\/p>\n<ul data-start=\"753\" data-end=\"1035\">\n<li data-section-id=\"15f9pnj\" data-start=\"753\" data-end=\"821\"><strong data-start=\"755\" data-end=\"775\">\u4e19\u70ef\u9178\u5857\u6599<\/strong> \u2192 25\u201350 \u00b5m (most common and cost-effective)<\/li>\n<li data-section-id=\"r4b588\" data-start=\"822\" data-end=\"887\"><strong data-start=\"824\" data-end=\"845\">\u805a\u6c28\u916f\u5857\u6599<\/strong> \u2192 30\u201375 \u00b5m (better chemical resistance)<\/li>\n<li data-section-id=\"13fnm8y\" data-start=\"888\" data-end=\"960\"><strong data-start=\"890\" data-end=\"911\">\u77fd\u81a0\u5857\u5c64<\/strong> \u2192 50\u2013100 \u00b5m (high temperature and flexibility)<\/li>\n<li data-section-id=\"1ojha1f\" data-start=\"961\" data-end=\"1035\"><strong data-start=\"963\" data-end=\"986\">UV \u56fa\u5316\u5857\u6599<\/strong> \u2192 typically 25\u201350 \u00b5m for fast production lines<\/li>\n<\/ul>\n<p data-start=\"1037\" data-end=\"1122\">Choosing the right thickness is critical in <a href=\"https:\/\/txjpcba.com\/zh\/smt-%e7%b5%84%e8%a3%9d%e6%9c%8d%e5%8b%99\/\"><strong data-start=\"1081\" data-end=\"1097\">SMT \u7d44\u88dd<\/strong><\/a> to maintain consistency.<\/p>\n<p data-start=\"1124\" data-end=\"1157\"><strong data-start=\"1124\" data-end=\"1157\">Why thickness control matters<\/strong><\/p>\n<p data-start=\"1159\" data-end=\"1180\"><strong data-start=\"1159\" data-end=\"1180\">Too thin coating:<\/strong><\/p>\n<ul data-start=\"1181\" data-end=\"1259\">\n<li data-section-id=\"q0ozdx\" data-start=\"1181\" data-end=\"1229\">Inadequate moisture and corrosion protection<\/li>\n<li data-section-id=\"p53iw0\" data-start=\"1230\" data-end=\"1259\">Lower dielectric strength<\/li>\n<\/ul>\n<p data-start=\"1261\" data-end=\"1283\"><strong data-start=\"1261\" data-end=\"1283\">Too thick coating:<\/strong><\/p>\n<ul data-start=\"1284\" data-end=\"1404\">\n<li data-section-id=\"1bhpu9n\" data-start=\"1284\" data-end=\"1315\">Risk of cracking or peeling<\/li>\n<li data-section-id=\"jf6zm0\" data-start=\"1316\" data-end=\"1372\">Possible interference with connectors and components<\/li>\n<li data-section-id=\"11dxitq\" data-start=\"1373\" data-end=\"1404\">May impact heat dissipation<\/li>\n<\/ul>\n<p data-start=\"1406\" data-end=\"1477\">Maintaining correct thickness improves reliability in <a href=\"https:\/\/txjpcba.com\/zh\/pcb-%e8%a3%9d%e9%85%8d\/\"><strong data-start=\"1460\" data-end=\"1476\">PCB \u7d44\u88dd<\/strong><\/a>.<\/p>\n<p data-start=\"1479\" data-end=\"1515\"><strong data-start=\"1479\" data-end=\"1515\">\u5982\u4f55\u63a7\u5236\u5857\u5c64\u539a\u5ea6<\/strong><\/p>\n<ul data-start=\"1517\" data-end=\"1728\">\n<li data-section-id=\"z41ywk\" data-start=\"1517\" data-end=\"1573\">\u4f7f\u7528 <strong data-start=\"1523\" data-end=\"1571\">selective or automated spray coating systems<\/strong><\/li>\n<li data-section-id=\"10i8nbu\" data-start=\"1574\" data-end=\"1615\">Adjust viscosity and spray parameters<\/li>\n<li data-section-id=\"a9yv10\" data-start=\"1616\" data-end=\"1673\">Apply multiple thin layers instead of one thick layer<\/li>\n<li data-section-id=\"13ozyp6\" data-start=\"1674\" data-end=\"1728\">Measure thickness using gauges or inspection tools<\/li>\n<\/ul>\n<p data-start=\"1730\" data-end=\"1787\">These practices are standard in <a href=\"https:\/\/txjpcba.com\/zh\/%e4%ba%a4%e9%91%b0%e5%8c%99-pcb-%e8%a3%9d%e9%85%8d\/\"><strong data-start=\"1762\" data-end=\"1786\">\u4ea4\u9470\u5319 PCB \u7d44\u88dd<\/strong><\/a>.<\/p>\n<p data-start=\"1789\" data-end=\"1821\"><strong data-start=\"1789\" data-end=\"1821\">Industry standards reference<\/strong><\/p>\n<p data-start=\"1823\" data-end=\"1868\">Typical thickness recommendations align with:<\/p>\n<ul data-start=\"1870\" data-end=\"1976\">\n<li data-section-id=\"25qham\" data-start=\"1870\" data-end=\"1918\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">IPC<\/span><\/span>-CC-830<\/li>\n<li data-section-id=\"1c4dicx\" data-start=\"1919\" data-end=\"1976\">Internal process specifications for conformal coating<\/li>\n<\/ul>\n<p data-start=\"1978\" data-end=\"1992\"><strong data-start=\"1978\" data-end=\"1992\">\u7e3d\u7d50<\/strong><\/p>\n<p data-start=\"1994\" data-end=\"2276\">The recommended HumiSeal coating thickness is <strong data-start=\"2040\" data-end=\"2052\">25-75 \u00b5m<\/strong>, depending on application and environment. In <strong data-start=\"2099\" data-end=\"2115\">PCB \u7d44\u88dd<\/strong>, <strong data-start=\"2117\" data-end=\"2133\">SMT \u7d44\u88dd<\/strong>, \u4ee5\u53ca <strong data-start=\"2139\" data-end=\"2163\">\u4ea4\u9470\u5319 PCB \u7d44\u88dd<\/strong>, proper thickness control ensures reliable protection, long-term durability, and optimal electrical performance.<\/p>\n<p data-start=\"1994\" data-end=\"2276\">We support HumiSeal and equivalent <a href=\"https:\/\/txjpcba.com\/zh\/%e4%bf%9d%e5%bd%a2%e5%a1%97%e5%b1%a4\/\"><strong>\u4fdd\u5f62\u5857\u5c64<\/strong><\/a> solutions for your PCBA projects.<\/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;\">\u53d6\u5f97\u4fdd\u5f62\u5857\u5c64\u5831\u50f9<\/h3>\n<p style=\"font-size: 15px; color: #555; margin-bottom: 15px;\">\u6709\u7279\u6b8a\u5857\u5c64\u9700\u6c42\u55ce\uff1f\u8acb\u5c07\u60a8\u7684 PCB \u6a94\u6848\u5bc4\u7d66\u6211\u5011\u9032\u884c\u8a55\u4f30\u3002.<br \/>\n\u5c07\u60a8\u7684\u9700\u6c42\u50b3\u9001\u7d66\u6211\u5011\uff0c\u4e26\u7372\u5f97\u6211\u5011\u5de5\u7a0b\u5718\u968a\u7684\u5feb\u901f\u56de\u61c9\u3002.<\/p>\n<p style=\"font-size: 14px; color: #333; margin-bottom: 20px;\">24 \u5c0f\u6642\u56de\u61c9 \u2714 \u5de5\u7a0b\u652f\u63f4 \u2714 \u5c0f\u578b\u8207\u5927\u91cf\u751f\u7522<\/p>\n<\/div>\n<div style=\"text-align: left;\"><style id=\"wpforms-css-vars-2237\">\n\t\t\t\t#wpforms-2237 {\n\t\t\t\t--wpforms-field-size-input-height: 43px;\n--wpforms-field-size-input-spacing: 15px;\n--wpforms-field-size-font-size: 16px;\n--wpforms-field-size-line-height: 19px;\n--wpforms-field-size-padding-h: 14px;\n--wpforms-field-size-checkbox-size: 16px;\n--wpforms-field-size-sublabel-spacing: 5px;\n--wpforms-field-size-icon-size: 1;\n--wpforms-label-size-font-size: 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class=\"wpforms-field-medium\" name=\"wpforms[fields][2]\" aria-errormessage=\"wpforms-2237-field_2-error\" aria-describedby=\"wpforms-2237-field_2-description\" ><\/textarea><div id=\"wpforms-2237-field_2-description\" class=\"wpforms-field-description\">\"\u300c\u8acb\u5217\u51fa\u4e0d\u5f97\u5857\u5c64\u7684\u5143\u4ef6\u6216\u5340\u57df\uff08\u5982\u9023\u63a5\u5668\u3001\u6e2c\u8a66\u9ede\uff09\u300d\u3002\u5982\u679c\u60a8\u6709\u7279\u5b9a\u7684\u5857\u5c64\u6750\u6599\u8981\u6c42\uff08\u4f8b\u5982 HumiSeal\uff09\uff0c\u8acb\u5728\u6ce8\u91cb\u6846\u4e2d\u8aaa\u660e\u3002.<\/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; } 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