{"id":5494,"date":"2026-07-27T14:46:24","date_gmt":"2026-07-27T07:46:24","guid":{"rendered":"https:\/\/dk-metalsurfacetreatment.com\/?p=5494"},"modified":"2026-08-25T16:24:48","modified_gmt":"2026-08-25T09:24:48","slug":"cr3-adl-32-cooling-bath","status":"publish","type":"post","link":"https:\/\/dk-metalsurfacetreatment.com\/en\/cr3-adl-32-cooling-bath\/","title":{"rendered":"CR3+ PASSIVATION (ADL-32) &#8211; WITH COOLING BATH"},"content":{"rendered":"<h2 class=\"entry-title\"><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">Passivation For Hot-Dip Galvanizer &#8211; ADL-32<\/span><\/strong><\/span><\/h2>\n<div class=\"entry-content single-page\">\n<p class=\"isSelectedEnd\"><strong><span dir=\"auto\">ADL-32 is a\u00a0<\/span><\/strong><strong><span dir=\"auto\">Chromium III (Cr3+) passivation<\/span><\/strong><span dir=\"auto\">\u00a0chemical\u00a0for hot-dip galvanized steel (HDG), used directly in\u00a0<\/span><strong><span dir=\"auto\">the Quench Tank<\/span><\/strong><span dir=\"auto\">\u00a0after the galvanizing process.<\/span><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-5007 alignright\" src=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/07\/1-1-150x150.png\" sizes=\"auto, (max-width: 307px) 100vw, 307px\" srcset=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/07\/1-1-150x150.png 150w, https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/07\/1-1-300x300.png 300w, https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/07\/1-1-1024x1024.png 1024w, https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/07\/1-1-768x768.png 768w\" alt=\"1 1\" width=\"307\" height=\"307\" \/><\/p>\n<p class=\"isSelectedEnd\"><span dir=\"auto\">The product creates a thin transformation film on the zinc surface, reducing\u00a0<\/span><strong><span dir=\"auto\">white rust<\/span><\/strong><span dir=\"auto\">\u00a0, increasing corrosion resistance, and meeting the trend of replacing\u00a0<\/span><strong><span dir=\"auto\">Chromium VI (Cr6+)<\/span><\/strong><span dir=\"auto\">\u00a0technology with environmentally friendly solutions.<\/span><\/p>\n<p class=\"isSelectedEnd\"><span dir=\"auto\">Developed by\u00a0<\/span><strong><span dir=\"auto\">AD Chemicals (Netherlands)<\/span><\/strong><span dir=\"auto\">\u00a0, the ADL-32 passivation product for hot-dip galvanizing is suitable for modern HDG lines that want to improve product quality without major equipment changes.<\/span><\/p>\n<div contenteditable=\"false\">\n<hr \/>\n<\/div>\n<h2><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">Key Benefits Of ADL-32<\/span><\/strong><\/span><\/h2>\n<ul>\n<li class=\"isSelectedEnd\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">Chromium III (Cr3+) technology does not contain Cr(VI).<\/span><\/strong><\/span><\/li>\n<li class=\"isSelectedEnd\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">Use directly in the Quench Tank; no separate passivation tank is required.<\/span><\/strong><\/span><\/li>\n<li class=\"isSelectedEnd\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">Reduce the risk of white rust formation during storage and transportation.<\/span><\/strong><\/span><\/li>\n<li><span style=\"color: #253782;\"><strong><span dir=\"auto\">Increase the corrosion resistance of galvanized steel products.<\/span><\/strong><\/span><\/li>\n<li class=\"isSelectedEnd\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">Low investment cost, easy integration into existing production lines.<\/span><\/strong><\/span><\/li>\n<li><span style=\"color: #253782;\"><strong><span dir=\"auto\">In line with green production trends and export requirements.<\/span><\/strong><\/span><\/li>\n<\/ul>\n<hr \/>\n<h2><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">Specifications<\/span><\/strong><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4374 size-full\" src=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/01\/Thu-dong-hoa-ADL-32.png\" alt=\"Passivation for hot-dip galvanizing ADL32\" width=\"1507\" height=\"1044\" \/><\/p>\n<hr data-start=\"871\" data-end=\"874\" data-rm-block-id=\"block-6\" \/>\n<h2 data-section-id=\"h82tsv\" data-start=\"876\" data-end=\"952\" data-rm-block-id=\"block-7\"><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">ADL-32 Usage Procedure<\/span><\/strong><\/span><\/h2>\n<p data-start=\"954\" data-end=\"1097\" data-rm-block-id=\"block-8\"><span dir=\"auto\">The passivation chemical for hot-dip galvanizing, ADL-32, is added directly to the Quench Tank, combining the cooling and passivation processes in a single step, thus simplifying the production process.<\/span><\/p>\n<p>&nbsp;<\/p>\n<p data-rm-block-id=\"block-24\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3838 aligncenter\" src=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/01\/Passivatingprocess-EN.png\" alt=\"Passivating process EN\" width=\"513\" height=\"439\" \/><\/p>\n<p data-rm-block-id=\"block-25\"><em><span dir=\"auto\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 ADL-32 passivation process<\/span><\/em><\/p>\n<hr \/>\n<h2><strong><span dir=\"auto\">When Should You Choose ADL-32?<\/span><\/strong><\/h2>\n<p class=\"isSelectedEnd\"><span dir=\"auto\">Passivation for hot-dip galvanizing \u2013 ADL-32 is a suitable option when businesses:<\/span><\/p>\n<ul data-spread=\"false\">\n<li><span style=\"color: #253782;\"><strong><span dir=\"auto\">Quench Tanks are already present in the HDG production line.<\/span><\/strong><\/span><\/li>\n<li><span style=\"color: #253782;\"><strong><span dir=\"auto\">I want to upgrade from Cr(VI) technology to Cr3+.<\/span><\/strong><\/span><\/li>\n<li><span style=\"color: #253782;\"><strong><span dir=\"auto\">The phenomenon of White Rust needs to be limited.<\/span><\/strong><\/span><\/li>\n<li><span style=\"color: #253782;\"><strong><span dir=\"auto\">We want to optimize investment costs.<\/span><\/strong><\/span><\/li>\n<li><span style=\"color: #253782;\"><strong><span dir=\"auto\">No intention of renovating or adding a separate passivation tank.<\/span><\/strong><\/span><\/li>\n<\/ul>\n<p><span dir=\"auto\">If a business wants to separate the passivation process, then it should use\u00a0<\/span><span style=\"color: #253782;\"><strong><a style=\"color: #253782;\" href=\"https:\/\/dk-metalsurfacetreatment.com\/thu-dong-cho-ma-kem-nhung-nong\/\"><span dir=\"auto\">ADL-3P<\/span><\/a><\/strong><\/span><span dir=\"auto\"><span style=\"color: #253782;\">\u00a0<\/span>or<span style=\"color: #253782;\">\u00a0<\/span><\/span><strong><a href=\"https:\/\/dk-metalsurfacetreatment.com\/thu-dong-hoa-phun-spray-passivation\/\"><span dir=\"auto\"><span style=\"color: #253782;\">Spray Passivation<\/span>.<\/span><\/a><\/strong><\/p>\n<hr \/>\n<h2><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">Comparison Of Passivation Products For Hot-Dip Galvanizing<\/span><\/strong><\/span><\/h2>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-4370 size-full\" src=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/01\/So-sanh-cac-phuong-phap-thu-dong-hoa-cho-ma-kem-nhung-nong.png\" sizes=\"auto, (max-width: 1774px) 100vw, 1774px\" srcset=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/01\/So-sanh-cac-phuong-phap-thu-dong-hoa-cho-ma-kem-nhung-nong.png 1774w, https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/01\/So-sanh-cac-phuong-phap-thu-dong-hoa-cho-ma-kem-nhung-nong-1536x768.png 1536w\" alt=\"Passivation for hot-dip galvanizing\" width=\"1774\" height=\"887\" \/><\/p>\n<h2 data-rm-block-id=\"block-26\"><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">Corrosion Resistance Test Results<\/span><\/strong><\/span><\/h2>\n<h3 data-section-id=\"w6azho\" data-start=\"2472\" data-end=\"2520\" data-rm-block-id=\"block-27\"><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">1. Neutral Salt Spray (NSS) Testing<\/span><\/strong><\/span><\/h3>\n<p data-start=\"2522\" data-end=\"2617\" data-rm-block-id=\"block-28\"><span dir=\"auto\">The ADL-32 passivation for hot-dip galvanizing has been tested according to high quality standards for the hot-dip galvanizing industry.<\/span><\/p>\n<p data-start=\"2619\" data-end=\"2647\" data-rm-block-id=\"block-29\"><span dir=\"auto\">The test results showed that:<\/span><\/p>\n<ul data-start=\"2649\" data-end=\"2796\">\n<li data-section-id=\"1jbgtii\" data-start=\"2649\" data-end=\"2683\" data-rm-block-id=\"block-30\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">Superior corrosion resistance.<\/span><\/strong><\/span><\/li>\n<li data-section-id=\"wkxx07\" data-start=\"2684\" data-end=\"2732\" data-rm-block-id=\"block-31\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">The White Rust phenomenon is effectively controlled.<\/span><\/strong><\/span><\/li>\n<li data-section-id=\"wkxx07\" data-start=\"2684\" data-end=\"2732\" data-rm-block-id=\"block-31\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">The surface remained clean and stable after testing.<\/span><\/strong><\/span><\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-3955 alignleft\" src=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/01\/ADL-32-EN-saltspraytest-1.png\" alt=\"ADL 32 EN saltspraytest 1\" width=\"309\" height=\"264\" \/><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-3816 \" src=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/01\/2026_AD-Chemicals_ADL-32-English.png\" alt=\"2026 AD Chemicals ADL 32 English\" width=\"308\" height=\"264\" \/><\/p>\n<p data-rm-block-id=\"block-35\"><em><span dir=\"auto\">The image shows that the surface behind the NSS remains clean, with high white rust protection.<\/span><\/em><\/p>\n<h3 data-rm-block-id=\"block-36\"><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">2. 24-hour Humidity Test:<\/span><\/strong><\/span><\/h3>\n<p data-start=\"2826\" data-end=\"2943\" data-rm-block-id=\"block-37\"><span dir=\"auto\">24-hour humidity tests showed that the ADL-32 passivation layer performed stably and provided good protection to galvanized steel surfaces.<\/span><\/p>\n<p data-start=\"2945\" data-end=\"2970\" data-rm-block-id=\"block-38\"><span dir=\"auto\">After the testing process:<\/span><\/p>\n<ul data-start=\"2972\" data-end=\"3081\">\n<li data-section-id=\"1jxxn2k\" data-start=\"2972\" data-end=\"2998\" data-rm-block-id=\"block-39\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">The surface remains bright and clean.<\/span><\/strong><\/span><\/li>\n<li data-section-id=\"4opwpn\" data-start=\"2999\" data-end=\"3040\" data-rm-block-id=\"block-40\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">No premature oxidation occurred.<\/span><\/strong><\/span><\/li>\n<li data-section-id=\"eoo39c\" data-start=\"3041\" data-end=\"3081\" data-rm-block-id=\"block-41\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">No white corrosion marks form.<\/span><\/strong><\/span><\/li>\n<\/ul>\n<p data-rm-block-id=\"block-42\"><strong><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-3953\" src=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/01\/ADL-32-EN-humidity-test-1.png\" alt=\"CR3+\" width=\"511\" height=\"437\" \/><\/strong><\/p>\n<p data-rm-block-id=\"block-43\"><em><span dir=\"auto\">Moisture test results showed that ADL-32 maintained a stable surface, without premature corrosion or white spots forming.<\/span><\/em><\/p>\n<h2 data-rm-block-id=\"block-44\"><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">Comparison Of ADL-32 Passivation With Chromium(VI) Chromate Technology<\/span><\/strong><\/span><\/h2>\n<table width=\"812\">\n<thead>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-45\"><strong style=\"font-size: 14.4px;\"><span dir=\"auto\">Criteria<\/span><\/strong><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-46\"><strong><span dir=\"auto\">Chromate (Cr VI)<\/span><\/strong><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-47\"><strong><span dir=\"auto\">Passivation ADL-32<\/span><\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-48\"><span dir=\"auto\">Environmental impact<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-49\"><span dir=\"auto\">-\/- (bad)<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-50\"><span dir=\"auto\">++ (very good)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-51\"><span dir=\"auto\">Resistance to white rust<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-52\"><span dir=\"auto\">++<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-53\"><span dir=\"auto\">++<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-54\"><span dir=\"auto\">Chemistry foundation<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-55\"><span dir=\"auto\">Chromium(VI) \u2013 toxic<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-56\"><span dir=\"auto\">Chrome(III)<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-57\"><span dir=\"auto\">Operating procedure<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-58\"><span dir=\"auto\">++<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-59\"><span dir=\"auto\">++<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-60\"><span dir=\"auto\">Quality standards<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-61\"><span dir=\"auto\">Meets standards<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-62\"><span dir=\"auto\">Meets standards<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-63\"><span dir=\"auto\">Use directly in the tank.<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-64\"><span dir=\"auto\">YES<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-65\"><span dir=\"auto\">YES<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-66\"><span dir=\"auto\">Use after a cooling bath.<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-67\"><span dir=\"auto\">YES<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-68\"><span dir=\"auto\">YES<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-69\"><span dir=\"auto\">Coating color<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-70\"><span dir=\"auto\">Gold or transparent<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-71\"><span dir=\"auto\">Transparent, colorless<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-72\"><span dir=\"auto\">Wastewater treatment<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-73\"><span dir=\"auto\">Complex (removes Cr VI)<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-74\"><span dir=\"auto\">Normal handling<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-75\"><span dir=\"auto\">Easy to clean if needed.<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-76\"><span dir=\"auto\">NO<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-77\"><span dir=\"auto\">YES<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 267.75px; text-align: center;\" data-rm-block-id=\"block-78\"><span dir=\"auto\">Price<\/span><\/td>\n<td style=\"width: 278.516px; text-align: center;\" data-rm-block-id=\"block-79\"><span dir=\"auto\">\u20ac<\/span><\/td>\n<td style=\"width: 243.734px; text-align: center;\" data-rm-block-id=\"block-80\"><span dir=\"auto\">\u20ac\u20ac (slightly higher)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr data-start=\"3808\" data-end=\"3811\" data-rm-block-id=\"block-81\" \/>\n<h2 data-rm-block-id=\"block-91\"><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">Learn More<\/span><\/strong><\/span><\/h2>\n<h3 data-rm-block-id=\"block-92\"><strong><span style=\"font-size: 90%;\"><span dir=\"auto\">1.\u00a0<\/span><span dir=\"auto\">Passivation for Hot-Dip Galvanizing \u2013 ADL-3P<\/span><\/span><\/strong><\/h3>\n<p><span style=\"font-size: 75%;\"><strong><span dir=\"auto\">ADL-3P is a\u00a0<\/span><\/strong><strong><span dir=\"auto\">Chromium III (Cr3+) passivation<\/span><\/strong><span dir=\"auto\">\u00a0chemical\u00a0for hot-dip galvanized (HDG) steel, used in\u00a0<\/span><strong><span dir=\"auto\">a separate passivation tank<\/span><\/strong><span dir=\"auto\">\u00a0after the cooling process<\/span><span dir=\"auto\">\u00a0.<\/span><\/span><\/p>\n<table style=\"height: 33px; background-color: #253782; width: 352px;\" border=\"1\" width=\"352\">\n<tbody>\n<tr>\n<td style=\"width: 342px;\">\n<p style=\"text-align: center;\" data-rm-block-id=\"block-50\"><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/dk-metalsurfacetreatment.com\/thu-dong-hoa-cr3-adl-3p\/\"><strong><span dir=\"auto\">ADL-3P<\/span><\/strong><\/a><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-rm-block-id=\"block-92\"><strong><span dir=\"auto\" style=\"font-size: 90%;\">2. Surface Treatment Solutions Before Painting<\/span><\/strong><\/h3>\n<p data-start=\"527\" data-end=\"749\" data-rm-block-id=\"block-5\"><span style=\"font-size: 75%;\"><strong data-start=\"574\" data-end=\"589\"><span dir=\"auto\">PreCoat Z31 \u2013 a complete surface treatment system based on\u00a0<\/span><\/strong><strong data-start=\"638\" data-end=\"655\"><span dir=\"auto\">Chromium(III)<\/span><\/strong><span dir=\"auto\">\u00a0technology\u00a0, providing superior corrosion resistance and paint adhesion while being completely free of Chromium(VI).\u00a0<\/span><span dir=\"auto\">Specifically, using\u00a0<\/span><strong><span dir=\"auto\">PreCoat Z31<\/span><\/strong><span dir=\"auto\">\u00a0will optimize paint performance and the long-term durability of the coating.<\/span><\/span><\/p>\n<table style=\"height: 29px; background-color: #253782; width: 350px;\" border=\"1\" width=\"350\">\n<tbody>\n<tr>\n<td style=\"width: 340px;\">\n<p style=\"text-align: center;\" data-rm-block-id=\"block-50\"><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/dk-metalsurfacetreatment.com\/xu-ly-be-mat-hdg-precoat-z31\/\"><strong><span dir=\"auto\">PRECOAT Z31<\/span><\/strong><\/a><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-rm-block-id=\"block-92\"><strong><span dir=\"auto\" style=\"font-size: 90%;\">3. Spray Passivation Solution<\/span><\/strong><\/h3>\n<p><span style=\"font-size: 75%;\"><strong data-start=\"578\" data-end=\"624\"><span dir=\"auto\">The unique spray passivation<\/span><\/strong><span dir=\"auto\">\u00a0solution\u00a0allows for direct treatment on galvanized steel surfaces without the need for traditional dipping tanks. This technology offers high flexibility and easy integration into any galvanizing line without requiring major infrastructure changes.<\/span><\/span><\/p>\n<table style=\"height: 42px; width: 345px; background-color: #253782;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"width: 335px;\">\n<p style=\"text-align: center;\" data-rm-block-id=\"block-50\"><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/dk-metalsurfacetreatment.com\/thu-dong-hoa-phun-spray-passivation\/\"><strong><span dir=\"auto\">PASSIVE SPRAYING<\/span><\/strong><\/a><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-rm-block-id=\"block-92\"><strong><span style=\"font-size: 90%;\"><span dir=\"auto\">4.\u00a0<\/span><span dir=\"auto\">Passivation<\/span><span dir=\"auto\">\u00a0of Chrome III (Cr3+)<\/span><\/span><\/strong><\/h3>\n<p data-rm-block-id=\"block-95\"><span style=\"font-size: 75%;\"><span dir=\"auto\">\u00a0PrimeCoat\u00ae Z80x Series is a line of chemicals developed using Phosphate\/Silane technology to provide high corrosion protection while meeting the trend of environmentally friendly production.\u00a0<\/span><span dir=\"auto\">PrimeCoat\u00ae Z80x is developed to replace passivation systems using Chromium VI (Cr\u2076\u207a), helping businesses transition to chrome-free technology while maintaining effective surface protection and corrosion resistance in a wide range of industrial applications.<\/span><\/span><\/p>\n<table style=\"height: 5px; width: 344px; background-color: #253782;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"width: 334px;\">\n<p class=\"entry-title\" style=\"text-align: center;\"><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/dk-metalsurfacetreatment.com\/thu-dong-hoa-chrome-iii-cho-kim-loai\/\"><strong><span dir=\"auto\">PRIMECOAT\u00ae Z838<\/span><\/strong><\/a><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-rm-block-id=\"block-92\"><strong><span dir=\"auto\" style=\"font-size: 90%;\">5. Pre-treatment Chemicals<\/span><\/strong><\/h3>\n<p data-start=\"4764\" data-end=\"4896\" data-rm-block-id=\"block-67\"><span style=\"font-size: 75%;\"><strong data-start=\"204\" data-end=\"223\"><span dir=\"auto\">PrimeCoat\u00ae A109 is a water-based,\u00a0<\/span><\/strong><strong data-start=\"273\" data-end=\"294\"><span dir=\"auto\">chrome-free<\/span><\/strong><span dir=\"auto\">\u00a0\u00a0metal surface pretreatment chemical\u00a0\u00a0manufactured using advanced nanotechnology. It is an effective alternative to traditional chromate pretreatment systems, specifically developed for aluminum coils and cold-rolled steel. The product can replace traditional non-washing chromate pretreatment systems while still ensuring the necessary corrosion protection and adhesion to metal surfaces.<\/span><\/span><\/p>\n<table style=\"height: 20px; background-color: #253782; width: 342px;\" border=\"1\" width=\"342\">\n<tbody>\n<tr>\n<td style=\"width: 332px;\">\n<p class=\"entry-title\" style=\"text-align: center;\"><span style=\"color: #ffffff;\"><a style=\"color: #ffffff;\" href=\"https:\/\/dk-metalsurfacetreatment.com\/tien-xu-ly-non-crom-primecoat-a109\/\"><strong><span dir=\"auto\">Primecoat A109<\/span><\/strong><\/a><\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3 data-rm-block-id=\"block-98\"><strong><span dir=\"auto\" style=\"font-size: 90%;\">6. Specialized Information<\/span><\/strong><\/h3>\n<p><span dir=\"auto\" style=\"font-size: 75%;\">We constantly update our articles and industry news to provide information that meets the needs of each customer.<\/span><\/p>\n<table style=\"height: 34px; background-color: #253782; width: 343px;\" border=\"1\" width=\"343\">\n<tbody>\n<tr>\n<td style=\"width: 333px; text-align: center;\"><span style=\"color: #ffffff;\"><strong><a style=\"color: #ffffff;\" href=\"https:\/\/dk-metalsurfacetreatment.com\/tin-tuc\/\"><span dir=\"auto\">NEW ARTICLE<\/span><\/a><\/strong><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h2 data-rm-block-id=\"block-117\"><span style=\"font-size: 90%;\"><strong><span dir=\"auto\">Value Added From DK-CHEMICLAS<\/span><\/strong><\/span><\/h2>\n<p class=\"isSelectedEnd\" data-rm-block-id=\"block-118\"><span dir=\"auto\">In addition to supplying AD CHEMICALS surface treatment chemicals, DK CHEMICALS also supports customers in optimizing production processes and improving line operational efficiency.<\/span><\/p>\n<p class=\"isSelectedEnd\" data-rm-block-id=\"block-119\"><span dir=\"auto\">Key features include:<\/span><\/p>\n<ul data-spread=\"false\">\n<li data-rm-block-id=\"block-120\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">In-depth technical consulting<\/span><span dir=\"auto\">\u00a0.<\/span><\/strong><\/span><\/li>\n<li data-rm-block-id=\"block-121\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">Optimize production costs<\/span><\/strong><span dir=\"auto\">\u00a0.<\/span><\/span><\/li>\n<li data-rm-block-id=\"block-122\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">Improve product quality.<\/span><\/strong><\/span><\/li>\n<li data-rm-block-id=\"block-123\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">Reduce the error rate in production<\/span><\/strong><span dir=\"auto\">\u00a0.<\/span><\/span><\/li>\n<li data-rm-block-id=\"block-124\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">Increase competitiveness in the market.<\/span><\/strong><\/span><\/li>\n<li data-rm-block-id=\"block-125\"><span style=\"color: #253782;\"><strong><span dir=\"auto\">Support the deployment of environmentally friendly technologies.<\/span><\/strong><\/span><\/li>\n<\/ul>\n<p class=\"isSelectedEnd\" data-rm-block-id=\"block-126\"><a href=\"https:\/\/dk-chemicals.vn\/danh-muc-san-pham\/danh-muc-san-pham\/hoa-chat-thu-dong\/\" target=\"_blank\" rel=\"noopener\"><strong><span dir=\"auto\">DK CHEMICALS<\/span><\/strong><\/a>\u00a0<span dir=\"auto\">&#8216; team of experts\u00a0\u00a0has practical experience in continuous production lines, helping customers choose the most suitable solution for each type of material and specific technical requirement. Contact us for expert advice!<\/span><\/p>\n<p data-rm-block-id=\"block-128\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-2636 alignleft\" src=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/05\/logo-new-1-300x300.png\" alt=\"DK Chemical Company Limited\" width=\"161\" height=\"161\" srcset=\"https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/05\/logo-new-1-300x300.png 300w, https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/05\/logo-new-1-150x150.png 150w, https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/05\/logo-new-1-768x768.png 768w, https:\/\/dk-metalsurfacetreatment.com\/wp-content\/uploads\/2026\/05\/logo-new-1.png 1024w\" sizes=\"auto, (max-width: 161px) 100vw, 161px\" \/><\/p>\n<h3 data-rm-block-id=\"block-8\"><span style=\"color: #253782; font-size: 90%;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">DK Chemical Company Limited<\/span><\/strong><\/span><\/h3>\n<p data-rm-block-id=\"block-9\"><span style=\"color: #253782;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">Address:<\/span><\/strong><span dir=\"auto\" style=\"vertical-align: inherit;\"> 50 Street No. 12, Cityland Park Hills Residential Area, Go Vap Ward, Ho Chi Minh City<\/span><\/span><\/p>\n<p data-rm-block-id=\"block-10\"><span style=\"color: #253782;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">Hotline: <\/span><\/strong>\u00a0<a style=\"color: #253782;\" href=\"tel:0909678599\"><span dir=\"auto\" style=\"vertical-align: inherit;\">0909678599<\/span><\/a><\/span><\/p>\n<p data-rm-block-id=\"block-11\"><span style=\"color: #253782;\"><strong><span dir=\"auto\" style=\"vertical-align: inherit;\">Email: <\/span><\/strong>\u00a0<a style=\"color: #253782;\" href=\"mailto:de@dk-chemicals.vn\"><span dir=\"auto\" style=\"vertical-align: inherit;\">de@dk-chemicals.vn<\/span><\/a><\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Passivation For Hot-Dip Galvanizer &#8211; ADL-32 ADL-32 is a\u00a0Chromium III (Cr3+) passivation\u00a0chemical\u00a0for hot-dip galvanized steel (HDG), used directly in\u00a0the Quench Tank\u00a0after the galvanizing process. The product creates a thin transformation film on the zinc surface, reducing\u00a0white rust\u00a0, increasing corrosion resistance, and meeting the trend of replacing\u00a0Chromium VI (Cr6+)\u00a0technology with environmentally friendly solutions. Developed by\u00a0AD Chemicals<\/p>\n","protected":false},"author":9,"featured_media":4046,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[38,805,24],"tags":[],"class_list":["post-5494","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general-galvanizing-hdg-en","category-passivation-for-hdg","category-products"],"_links":{"self":[{"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/posts\/5494","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/comments?post=5494"}],"version-history":[{"count":7,"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/posts\/5494\/revisions"}],"predecessor-version":[{"id":5759,"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/posts\/5494\/revisions\/5759"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/media\/4046"}],"wp:attachment":[{"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/media?parent=5494"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/categories?post=5494"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dk-metalsurfacetreatment.com\/en\/wp-json\/wp\/v2\/tags?post=5494"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}