{"id":2291,"date":"2026-01-16T07:31:28","date_gmt":"2026-01-16T07:31:28","guid":{"rendered":"https:\/\/huilicoating.com\/?post_type=product&#038;p=2291"},"modified":"2026-04-15T08:44:55","modified_gmt":"2026-04-15T08:44:55","slug":"plh-20-special-epoxy-primer","status":"publish","type":"product","link":"https:\/\/huilicoating.com\/fr\/product\/plh-20-special-epoxy-primer\/","title":{"rendered":"Primair\u00e9 \u00e9poxy sp\u00e9cial PLH-20"},"content":{"rendered":"<h2 id=\"overview\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+&amp;]:mt-4\">Overview<\/h2>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">PLH-20 Special Epoxy Primer is a two-component special epoxy primer cured with polyamine, formulated with modified epoxy resin, premium anti-rust pigments, composite anti-rust agents, additives, and solvent.<\/p>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">The product is formulated with modified epoxy resin, premium anti-rust pigments, composite anti-rust agents, additives, and solvent, and is supplied with a polyamine curing agent as Part A and Part B. It is described as having excellent adhesion, strong corrosion resistance, a tough and wear-resistant film, and good compatibility with subsequent coatings.<\/p>\n<h2 id=\"key-benefits\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+&amp;]:mt-4\">Key Benefits<\/h2>\n<ul class=\"marker:text-quiet list-disc\">\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Designed for corrosion protection of facilities and equipment<\/p>\n<\/li>\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Described as having excellent adhesion<\/p>\n<\/li>\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Described as having strong corrosion resistance<\/p>\n<\/li>\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Described as having a tough and wear-resistant film<\/p>\n<\/li>\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Described as having good compatibility with subsequent coatings<\/p>\n<\/li>\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Can be applied by airless spray, brush, or roller<\/p>\n<\/li>\n<\/ul>\n<h2 id=\"recommended-uses\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+&amp;]:mt-4\">Recommended Uses<\/h2>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">This primer is suitable for corrosion protection projects in industrial and marine environments.<\/p>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>Typical application areas<\/strong><\/p>\n<ul class=\"marker:text-quiet list-disc\">\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Power facilities and equipment<\/p>\n<\/li>\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Bridges<\/p>\n<\/li>\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Petrochemical facilities and equipment<\/p>\n<\/li>\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Marine environments<\/p>\n<\/li>\n<li class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [&amp;&gt;p]:pt-0 [&amp;&gt;p]:mb-2 [&amp;&gt;p]:my-0\">\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Port environments<\/p>\n<\/li>\n<\/ul>\n<h2 id=\"application-guide\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+&amp;]:mt-4\">Application Guide<\/h2>\n<div class=\"group relative my-[1em]\">\n<div class=\"sticky top-0 z-10 h-0\" aria-hidden=\"true\">\n<div class=\"w-full overflow-hidden bg-raised border-x md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest\"><\/div>\n<\/div>\n<div class=\"w-full overflow-auto scrollbar-subtle rounded-lg border md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest bg-raised\">\n<table class=\"[&amp;_tr:last-child_td]:border-b-0 my-0 w-full table-auto border-separate border-spacing-0 text-sm font-sans rounded-lg [&amp;_tr:last-child_td:first-child]:rounded-bl-lg [&amp;_tr:last-child_td:last-child]:rounded-br-lg\">\n<thead class=\"\">\n<tr>\n<th class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\">Item<\/th>\n<th class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\">Details<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Mixing Ratio (A:B)<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">25:2.5<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Induction Time<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">5 min<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Pot Life<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">2 h<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Application Methods<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Airless spray, brush, roller<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Thinner \/ Cleaner<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">X-7 epoxy thinner<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Typical Dilution<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">2\u20138%<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Recoat Interval \/ Overcoating Interval (25\u00b0C)<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Minimum 24 h; maximum 7 days<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Recommended DFT<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">60\u201380 \u00b5m per coat (brush\/roller: 40\u201350 \u00b5m per coat)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<h2 id=\"surface-preparation\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+&amp;]:mt-4\">Surface Preparation<\/h2>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">Abrasive blasting or shot blasting to Sa 2.5, or power-tool cleaning to St 3; surface profile 30\u201375 \u00b5m.<\/p>\n<h2 id=\"technical-data\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+&amp;]:mt-4\">Technical Data<\/h2>\n<div class=\"group relative my-[1em]\">\n<div class=\"sticky top-0 z-10 h-0\" aria-hidden=\"true\">\n<div class=\"w-full overflow-hidden bg-raised border-x md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest\"><\/div>\n<\/div>\n<div class=\"w-full overflow-auto scrollbar-subtle rounded-lg border md:max-w-[90vw] border-subtlest ring-subtlest divide-subtlest bg-raised\">\n<table class=\"[&amp;_tr:last-child_td]:border-b-0 my-0 w-full table-auto border-separate border-spacing-0 text-sm font-sans rounded-lg [&amp;_tr:last-child_td:first-child]:rounded-bl-lg [&amp;_tr:last-child_td:last-child]:rounded-br-lg\">\n<thead class=\"\">\n<tr>\n<th class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\">Item<\/th>\n<th class=\"border-subtlest p-sm min-w-[48px] break-normal border-b text-left align-bottom border-r last:border-r-0 font-bold bg-subtle first:border-radius-tl-lg last:border-radius-tr-lg\">Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Product Type<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Two-component special epoxy primer<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Appearance \/ Color<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Iron oxide red, brownish, gray<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Theoretical Consumption<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">0.15 kg\/m\u00b2 at 50 \u00b5m DFT (losses not included)<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Density \/ Specific Gravity<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">1.4 kg\/L<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Drying \/ Curing (25\u00b0C)<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Touch dry 1 h; hard dry 24 h; full cure 7 days<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Packaging<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Part A 25 kg; Part B 2.5 kg<\/td>\n<\/tr>\n<tr>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">Shelf Life<\/td>\n<td class=\"border-subtlest px-sm min-w-[48px] break-normal border-b border-r last:border-r-0\">12 months<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>Storage<\/strong><br \/>\nStore in a dry, cool, ventilated warehouse away from fire sources and direct sunlight; outdoor storage is not permitted.<\/p>\n<h2 id=\"system-compatibility\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+&amp;]:mt-4\">System Compatibility<\/h2>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\">This primer is compatible with epoxy MIO intermediate coating, epoxy topcoat, polyurethane topcoat, etc.<\/p>\n<h2 id=\"frequently-asked-questions\" class=\"font-editorial font-bold mb-2 mt-4 [.has-inline-images_&amp;]:clear-end text-lg first:mt-0 md:text-lg [hr+&amp;]:mt-4\">Frequently Asked Questions<\/h2>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>What is this primer used for?<\/strong><br \/>\nThis primer is used for corrosion protection of facilities and equipment in power, bridge, petrochemical, marine, and port environments.<\/p>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>What kind of product is this?<\/strong><br \/>\nIt is a two-component special epoxy primer cured with polyamine.<\/p>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>What application methods are recommended?<\/strong><br \/>\nThe product can be applied by airless spray, brush, or roller.<\/p>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>What is the pot life at 25\u00b0C?<\/strong><br \/>\nThe pot life is 2 h.<\/p>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>What is the recommended recoat interval?<\/strong><br \/>\nThe minimum recoat interval is 24 h at 25\u00b0C, and the maximum recoat interval is 7 days.<\/p>\n<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>What coatings is it compatible with?<\/strong><br \/>\nIt is compatible with epoxy MIO intermediate coating, epoxy topcoat, polyurethane topcoat, etc.<\/p>\n","protected":false},"excerpt":{"rendered":"<p class=\"my-2 [&amp;+p]:mt-4 [&amp;_strong:has(+br)]:inline-block [&amp;_strong:has(+br)]:pb-2\"><strong>2K special epoxy primer with outstanding adhesion and impact resistance for demanding industrial applications. Engineered for power plants, bridges &amp; petrochemical facilities. Compatible with all topcoat systems, 60\u00b5m DFT per coat.<\/strong><\/p>\n","protected":false},"featured_media":2220,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"acf-product-category":[],"product_brand":[],"product_cat":[17,82],"product_tag":[],"class_list":{"0":"post-2291","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-product-overview","7":"product_cat-anti-corrosion-primers","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"acf":[],"_links":{"self":[{"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/product\/2291","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/comments?post=2291"}],"version-history":[{"count":2,"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/product\/2291\/revisions"}],"predecessor-version":[{"id":4171,"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/product\/2291\/revisions\/4171"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/media\/2220"}],"wp:attachment":[{"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/media?parent=2291"}],"wp:term":[{"taxonomy":"acf-product-category","embeddable":true,"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/acf-product-category?post=2291"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/product_brand?post=2291"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/product_cat?post=2291"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/huilicoating.com\/fr\/wp-json\/wp\/v2\/product_tag?post=2291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}