{"id":10662,"date":"2026-07-16T00:00:55","date_gmt":"2026-07-16T00:00:55","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=10662"},"modified":"2026-07-16T07:11:26","modified_gmt":"2026-07-16T07:11:26","slug":"waterborne-direct-to-metal-additives","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/zh\/waterborne-direct-to-metal-additives\/","title":{"rendered":"How to Choose Additives for Waterborne Direct-to-Metal Coatings"},"content":{"rendered":"<p><strong>\u5feb\u901f\u56de\u7b54\uff1a<\/strong> \u4e70\u5bb6\u6b63\u5728 <strong>waterborne direct-to-metal coatings<\/strong> usually get a cleaner first shortlist when they separate three different jobs instead of asking one additive to solve every panel defect at once. <a href=\"https:\/\/longchangchemical.com\/zh\/product\/agesin-wd-d547-wetting-agent\/\">CHLUMICRYL\u00ae WD-D547<\/a> should move first when the main target is <strong>metal-surface wetting, anti-cratering, recoating, and leveling<\/strong> in a more interface-sensitive system. <a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumife-3166\/\">CHLUMIFE\u00ae 3166<\/a> deserves earlier review when the lab needs a <strong>broader surface-balance route<\/strong> across smoothness, gloss, anti-blocking, scratch support, and dry feel after the coating already wets the metal reasonably well. <a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumiaf-094\/\">CHLUMIAF\u00ae 094<\/a> belongs earlier when the resin route is basically right but <strong>persistent foam, entrained air, or microbubble defects<\/strong> keep ruining the finish.<\/p>\n<p>That is the commercially useful split. This page is not another generic metal-coating overview. It is a narrower <strong>CHLUMICRYL\u00ae selection page<\/strong> for buyers who already know the project is a <strong>waterborne direct-to-metal<\/strong> job and need a faster first screen.<\/p>\n<h2>Why waterborne direct-to-metal deserves its own additive page<\/h2>\n<p>\u9f99\u660c\u5df2\u7ecf\u6709\u4e86\u4e0a\u7ebf\u9875\u9762 <a href=\"https:\/\/longchangchemical.com\/zh\/waterborne-industrial-coating-additives\/\">waterborne industrial coatings<\/a>, <a href=\"https:\/\/longchangchemical.com\/zh\/anti-corrosion-coating-additives\/\">\u9632\u8150\u6d82\u5c42<\/a>, <a href=\"https:\/\/longchangchemical.com\/zh\/coil-coating-additives\/\">coil coatings<\/a>\uff0c \u548c <a href=\"https:\/\/longchangchemical.com\/zh\/can-coating-additives\/\">can coatings<\/a>. Those pages solve different buyer questions.<\/p>\n<p>A waterborne direct-to-metal project creates a narrower one: <strong>is the first additive decision mainly about getting the coating to wet metal cleanly and resist craters, about improving broader final surface balance, or about solving foam and air-release failure?<\/strong> That question is more specific than a broad waterborne industrial page and cleaner than another general metal-coatings hub, because it is tied to the first lab decision on factory-applied waterborne metal finishes.<\/p>\n<p>The general industry framing here is conservative. Buyers commonly separate interface wetting on metal, foam-control under spray or circulation, and final surface-performance balance. The product-specific facts below still stay tied to current Longchang-supported product pages.<\/p>\n<h2>What makes these three routes different<\/h2>\n<ul>\n<li><strong>CHLUMICRYL\u00ae WD-D547<\/strong> is positioned by Longchang as a polyether modified polydimethyl siloxane route for <strong>water-borne paint, solvent and solvent-free paint, and UV-cure paint<\/strong>. The current company-supported page says it can <strong>most effectively reduce surface tension in water systems<\/strong>, offers <strong>excellent wetting and spreading<\/strong>, and also provides <strong>good anti-cratering, re-coating, defoaming, and leveling<\/strong>.<\/li>\n<li><strong>CHLUMIFE\u00ae 3166<\/strong> is positioned by Longchang as a <strong>\u805a\u919a\u6539\u6027\u805a\u6709\u673a\u7845\u6c27\u70f7<\/strong> used to control surface tension, with supported gains around <strong>\u6781\u4f73\u7684\u5e72\u723d\u89e6\u611f<\/strong>, <strong>\u57fa\u6750\u6da6\u6e7f\u6027<\/strong>, <strong>\u8868\u9762\u5149\u6ed1\u5ea6<\/strong>, <strong>\u8010\u522e\u64e6\u6027<\/strong>, <strong>\u6297\u963b\u65ad<\/strong>, <strong>leveling<\/strong>\uff0c \u548c <strong>\u5149\u6cfd\u5ea6\u63d0\u5347<\/strong>. The page supports use in <strong>\u7d2b\u5916\u3001\u6eb6\u5242\u548c\u6c34\u57fa\u4f53\u7cfb<\/strong>.<\/li>\n<li><strong>CHLUMIAF\u00ae 094<\/strong> is the <strong>defoamer-first route<\/strong>. Longchang supports it for <strong>\u4ec5\u9650\u6c34\u57fa\u7cfb\u7edf<\/strong>, with dosage guidance at <strong>50 to 500 ppm<\/strong>, and explicitly says it should normally be <strong>diluted before use<\/strong> rather than dropped into the working solution at full strength.<\/li>\n<\/ul>\n<p>That is enough separation to help a buyer build a more disciplined first panel for waterborne DTM work.<\/p>\n<h2>\u5feb\u901f\u5bf9\u6bd4\u8868\uff1a\u54ea\u6761\u8def\u7ebf\u5e94\u8be5\u4f18\u5148\u663e\u793a\uff1f<\/h2>\n<table>\n<thead>\n<tr>\n<th>Buyer priority in waterborne direct-to-metal coatings<\/th>\n<th>\u6700\u4f73\u9996\u9009\u8def\u7ebf<\/th>\n<th>\u4e3a\u4ec0\u4e48\u5b83\u5e94\u8be5\u6392\u5728\u7b2c\u4e00\u4f4d<\/th>\n<th>\u4e3b\u8981\u89c2\u5bdf\u70b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Metal surface still shows poor wetting, crater sensitivity, or uneven laydown after application<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/agesin-wd-d547-wetting-agent\/\">CHLUMICRYL\u00ae WD-D547<\/a><\/td>\n<td>Longchang positions it around strong water-system surface-tension reduction plus anti-cratering, recoating, defoaming, and leveling support<\/td>\n<td>Transparency score is lower than some other wetting routes, so appearance-sensitive clear systems should still test carefully<\/td>\n<\/tr>\n<tr>\n<td>The coating already wets acceptably, but the lab needs broader surface balance across smoothness, gloss, anti-blocking, and scratch support<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumife-3166\/\">CHLUMIFE\u00ae 3166<\/a><\/td>\n<td>Longchang supports it as a broader surface-control route across water-based, solvent, and UV systems<\/td>\n<td>May cause pinholes or whitening and may stabilize foam, so risk checks should stay visible early<\/td>\n<\/tr>\n<tr>\n<td>Persistent foam, entrained air, or microbubble defects are blocking acceptable film quality<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumiaf-094\/\">CHLUMIAF\u00ae 094<\/a><\/td>\n<td>Longchang supports it as a waterborne defoamer with ppm-level use and a water-only operating window<\/td>\n<td>It should generally be pre-diluted before use, and it is not a substitute for a true wetting or broader surface-control route<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>When CHLUMICRYL\u00ae WD-D547 is the better first move<\/h2>\n<p>WD-D547 should move to the front when the coating team is failing at the <strong>metal-interface step<\/strong>. If the waterborne system is pulling back, cratering, or showing an uneven first laydown on metal, a wetting-and-anti-cratering-first route is usually more informative than jumping straight to a broader feel or durability package.<\/p>\n<p>Longchang\u2019s current product page is unusually helpful for this kind of screen. It supports WD-D547 across <strong>water-borne paint, solvent and solvent-free paint, and UV-cure paint<\/strong>, but for this page the important point is more specific: the company page says it can <strong>most effectively reduce the surface tension in water system<\/strong>\uff0c \u6709 <strong>excellent wetting and spreading<\/strong>, and gives <strong>good anti-cratering, re-coating, defoaming, and leveling<\/strong>. Its recommendation table also shows <strong>static surface tension 4<\/strong>, <strong>dynamic surface tension 3<\/strong>\uff0c \u548c <strong>defoaming 3<\/strong>, which reinforces that this is not a narrow one-note surfactant route.<\/p>\n<ul>\n<li><strong>Best first-screen use:<\/strong> metal wetting, crater cleanup, and broader interface control in waterborne DTM work<\/li>\n<li><strong>Dosage guidance:<\/strong> 0.1% to 0.5% of total formulation on the current company page<\/li>\n<li><strong>\u4e3b\u8981\u4f18\u52bf\uff1a<\/strong> one route that already combines wetting, anti-cratering, recoating, defoaming, and leveling language<\/li>\n<li><strong>Main caution:<\/strong> its varnish-transparency score is lower than some other wetting routes, so very appearance-sensitive systems should still confirm the tradeoff<\/li>\n<\/ul>\n<p>In short, WD-D547 is the better first move when the waterborne metal coating still needs a cleaner interface with the substrate before the team worries about broader final-film tuning.<\/p>\n<h2>\u5f53 CHLUMIFE\u00ae 3166 \u662f\u66f4\u4f73\u7684\u9996\u9009\u65b9\u6848\u65f6<\/h2>\n<p>3166 deserves the earlier screen when the coating already makes acceptable contact with the metal and the project now needs a <strong>broader surface-balance answer<\/strong>. Longchang\u2019s current product page is clear that this route is not only about one narrow defect. It highlights <strong>\u6781\u4f73\u7684\u5e72\u723d\u89e6\u611f<\/strong>, <strong>\u57fa\u6750\u6da6\u6e7f\u6027<\/strong>, <strong>\u8868\u9762\u5149\u6ed1\u5ea6<\/strong>, <strong>\u8010\u522e\u64e6\u6027<\/strong>, <strong>\u6297\u963b\u65ad<\/strong>, <strong>leveling<\/strong>\uff0c \u548c <strong>\u5149\u6cfd\u5ea6\u63d0\u5347<\/strong>. The page supports a <strong>recommended dosage of 0.05% to 1.0%<\/strong> of total formulation and says it <strong>can be added at any stage<\/strong> of production, with optional solvent dilution for easier addition.<\/p>\n<p>That makes 3166 commercially useful when the direct-to-metal project is no longer only a crater or wetting problem. It is often the better first route when the buyer wants one broader benchmark that helps answer whether the finish still needs smoother laydown, safer anti-blocking balance, better gloss, and stronger surface handling together.<\/p>\n<ul>\n<li><strong>Best first-screen use:<\/strong> broader surface balance after the coating already wets the metal reasonably well<\/li>\n<li><strong>Dosage guidance:<\/strong> 0.05% to 1.0% of total formulation<\/li>\n<li><strong>\u4e3b\u8981\u4f18\u52bf\uff1a<\/strong> one broader route instead of a narrow defect-only screen<\/li>\n<li><strong>Main caution:<\/strong> Longchang explicitly flags possible <strong>pinholes<\/strong>, <strong>whitening<\/strong>\uff0c\u4ee5\u53ca\u4e00\u4e2a <strong>\u6ce1\u6cab\u7a33\u5b9a\u6548\u679c<\/strong>, so defoamer planning may still be needed during testing<\/li>\n<\/ul>\n<p>So 3166 is the cleaner first move when the job is to tune the overall surface package on a waterborne metal finish, not only to rescue initial wetting.<\/p>\n<h2>When CHLUMIAF\u00ae 094 is the better first move<\/h2>\n<p>094 should move ahead when the project already has a plausible wetting route but the film keeps failing because of <strong>persistent foam, entrained air, or microbubble-type defects<\/strong>. That is a different job from wetting metal or broad surface-balance tuning. It is also one that can waste a lot of development time if the team keeps testing more surfactants before solving the foam problem.<\/p>\n<p>Longchang supports 094 as a <strong>polyether silicone defoamer<\/strong> \u4e3a\u4e86 <strong>\u4ec5\u9650\u6c34\u57fa\u7cfb\u7edf<\/strong>. Its recommended dosage is much lower than the wetting or broader surface routes, at <strong>50 to 500 ppm<\/strong> based on total formulation. The company page also states that direct full-strength addition to the working solution is generally not conducive to dispersion, so the product should usually be <strong>diluted below 60%<\/strong> and then further diluted with water to prepare a working solution for use.<\/p>\n<ul>\n<li><strong>Best first-screen use:<\/strong> persistent foam, microbubbles, or poor air release in waterborne direct-to-metal coatings<\/li>\n<li><strong>Dosage guidance:<\/strong> 50 to 500 ppm based on total formulation<\/li>\n<li><strong>Preparation rule:<\/strong> dilute before use rather than adding it full strength into the working solution<\/li>\n<li><strong>System fit:<\/strong> \u4ec5\u9650\u6c34\u57fa\u7cfb\u7edf<\/li>\n<\/ul>\n<p>That makes 094 the better first move when the project is failing because of <strong>foam control<\/strong>, not because of a missing wetting or broader surface route.<\/p>\n<h2>\u4e70\u5bb6\u5728\u7d22\u53d6\u6837\u54c1\u524d\u5e94\u8be5\u5982\u4f55\u9009\u62e9<\/h2>\n<h3>1. Start with the first visible failure on metal<\/h3>\n<p>If the coating cannot wet the metal cleanly or keeps cratering, start with WD-D547. If it wets but still needs broader final surface balance, move 3166 earlier. If the finish is being destroyed by foam or trapped air, 094 should move first.<\/p>\n<h3>2. Keep the operating window visible<\/h3>\n<p>WD-D547 and 3166 both have broader system-fit language on the company pages, but 094 is explicitly a <strong>\u4ec5\u6c34\u6027<\/strong> route. That alone helps keep early DTM screening more disciplined.<\/p>\n<h3>3. Do not confuse related panel defects with the same additive job<\/h3>\n<p>Cratering, surface roughness, blocking, weak scratch handling, and microbubbles can show up on the same panel, but they are not the same first-screen decision. Buyers usually get faster answers when they identify which problem is the <strong>first cause<\/strong>.<\/p>\n<h3>4. Use the watchpoint, not only the headline benefit<\/h3>\n<p>WD-D547 brings a strong anti-cratering and wetting package, but appearance-sensitive systems should still test the transparency tradeoff. 3166 can broaden surface performance, but it carries pinhole, whitening, and foam-stabilization risk. 094 should be diluted before use. Those practical notes often decide the better first route more than the headline product family.<\/p>\n<h3>5. Keep the first round tight<\/h3>\n<p>For most waterborne DTM coating buyers, one metal-wetting and anti-cratering route, one broader surface-balance route, and one defoamer-first route teach more than an overloaded first panel with too many partially overlapping additives.<\/p>\n<h2>\u672c\u9875\u63a8\u8350\u7684\u9f99\u660c\u8def\u7ebf<\/h2>\n<ul>\n<li><strong>\u96c6\u7fa4\u6982\u89c8\uff1a<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/chlumicryl-coating-ink-additives\/\">CHLUMICRYL\u00ae \u6d82\u5c42\u548c\u6cb9\u58a8\u6dfb\u52a0\u5242<\/a><\/li>\n<li><strong>Related waterborne application page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/waterborne-industrial-coating-additives\/\">How to Choose Surface Additives for Waterborne Industrial Coatings<\/a><\/li>\n<li><strong>Related protective-coating page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/anti-corrosion-coating-additives\/\">\u5982\u4f55\u9009\u62e9\u9632\u8150\u6d82\u6599\u6dfb\u52a0\u5242<\/a><\/li>\n<li><strong>Related metal-packaging page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/can-coating-additives\/\">How to Choose Surface Additives for Can Coatings<\/a><\/li>\n<li><strong>\u76f8\u5173\u7f3a\u9677\u9875\u9762\uff1a<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/coating-defect-additive-selection\/\">\u6da6\u6e7f\u5242\u3001\u6d41\u5e73\u5242\u3001\u6d88\u6ce1\u5242\u548c\u6c1f\u8868\u9762\u6d3b\u6027\u5242<\/a><\/li>\n<li><strong>WD-D547 product page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/product\/agesin-wd-d547-wetting-agent\/\">CHLUMICRYL\u00ae WD-D547<\/a><\/li>\n<li><strong>3166 product page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumife-3166\/\">CHLUMIFE\u00ae 3166<\/a><\/li>\n<li><strong>094 product page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumiaf-094\/\">CHLUMIAF\u00ae 094<\/a><\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>Which additive should I screen first if a waterborne direct-to-metal coating is cratering on metal?<\/h3>\n<p>Usually CHLUMICRYL\u00ae WD-D547, because Longchang already positions it around strong water-system wetting plus anti-cratering, recoating, defoaming, and leveling support.<\/p>\n<h3>When is 3166 a better first route than WD-D547?<\/h3>\n<p>3166 is usually the better first route when the coating already wets the metal reasonably well and the project now needs broader surface balance around smoothness, gloss, anti-blocking, and scratch support.<\/p>\n<h3>When should 094 move ahead of WD-D547 or 3166?<\/h3>\n<p>094 should move ahead when persistent foam, entrained air, or microbubble defects are the main barrier to acceptable film quality in a waterborne direct-to-metal system.<\/p>\n<h3>Can 094 replace a wetting or broader surface-control additive?<\/h3>\n<p>No. 094 is a defoamer-first route. It solves a different problem and should not be treated as a substitute for true wetting, anti-cratering, or broader surface-balance selection.<\/p>\n<h2>Need a faster shortlist for waterborne direct-to-metal coatings?<\/h2>\n<p>If your team is stuck between <strong>metal wetting and crater cleanup<\/strong>, <strong>broader surface tuning<\/strong>\uff0c \u548c <strong>direct foam control<\/strong>, define the real first-screen job before you ask for samples. That usually shows much faster whether WD-D547, CHLUMIFE\u00ae 3166, or CHLUMIAF\u00ae 094 deserves the first round.<\/p>","protected":false},"excerpt":{"rendered":"<p>A practical CHLUMICRYL\u00ae shortlist for waterborne direct-to-metal coating buyers deciding whether the first screen should focus on metal-surface wetting and anti-cratering, broader surface balance, or direct foam-control.<\/p>","protected":false},"author":6,"featured_media":10663,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10662","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.3.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Choose Additives for Waterborne Direct-to-Metal Coatings | CHLUMICRYL\u00ae<\/title>\n<meta name=\"description\" content=\"Choose additives for waterborne direct-to-metal coatings by separating metal-surface wetting and anti-cratering, broader surface balance, and foam-control needs across CHLUMICRYL\u00ae routes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/longchangchemical.com\/zh\/waterborne-direct-to-metal-additives\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Choose Additives for Waterborne Direct-to-Metal Coatings | CHLUMICRYL\u00ae\" \/>\n<meta property=\"og:description\" content=\"Choose additives for waterborne direct-to-metal coatings by separating metal-surface wetting and anti-cratering, broader surface balance, and foam-control needs across CHLUMICRYL\u00ae routes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/longchangchemical.com\/zh\/waterborne-direct-to-metal-additives\/\" \/>\n<meta property=\"og:site_name\" content=\"Longchang Chemical\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-16T00:00:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-07-16T07:11:26+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2026\/07\/waterborne-direct-to-metal-additives-hero.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"marketing@longchang Group\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/\"},\"author\":{\"name\":\"marketing@longchang Group\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/03647a4ce07fdc0e453f27a2b96ccce5\"},\"headline\":\"How to Choose Additives for Waterborne Direct-to-Metal Coatings\",\"datePublished\":\"2026-07-16T00:00:55+00:00\",\"dateModified\":\"2026-07-16T07:11:26+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/\"},\"wordCount\":1766,\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2026\/07\/waterborne-direct-to-metal-additives-hero.jpg\",\"articleSection\":[\"Uncategorized\"],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/\",\"url\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/\",\"name\":\"How to Choose Additives for Waterborne Direct-to-Metal Coatings | CHLUMICRYL\u00ae\",\"isPartOf\":{\"@id\":\"https:\/\/longchangchemical.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2026\/07\/waterborne-direct-to-metal-additives-hero.jpg\",\"datePublished\":\"2026-07-16T00:00:55+00:00\",\"dateModified\":\"2026-07-16T07:11:26+00:00\",\"description\":\"Choose additives for waterborne direct-to-metal coatings by separating metal-surface wetting and anti-cratering, broader surface balance, and foam-control needs across CHLUMICRYL\u00ae routes.\",\"breadcrumb\":{\"@id\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#primaryimage\",\"url\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2026\/07\/waterborne-direct-to-metal-additives-hero.jpg\",\"contentUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2026\/07\/waterborne-direct-to-metal-additives-hero.jpg\",\"width\":1024,\"height\":576},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/longchangchemical.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"How to Choose Additives for Waterborne Direct-to-Metal Coatings\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/longchangchemical.com\/#website\",\"url\":\"https:\/\/longchangchemical.com\/\",\"name\":\"Longchang Chemical\",\"description\":\"China chemical manufacturer \uff06 supplier\",\"publisher\":{\"@id\":\"https:\/\/longchangchemical.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/longchangchemical.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/longchangchemical.com\/#organization\",\"name\":\"Longchang Chemical\",\"url\":\"https:\/\/longchangchemical.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png\",\"contentUrl\":\"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png\",\"width\":512,\"height\":512,\"caption\":\"Longchang Chemical\"},\"image\":{\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/03647a4ce07fdc0e453f27a2b96ccce5\",\"name\":\"marketing@longchang Group\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/longchangchemical.com\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/a6a906641262cdfd34e337a3fa18594a?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/a6a906641262cdfd34e337a3fa18594a?s=96&d=mm&r=g\",\"caption\":\"marketing@longchang Group\"},\"url\":\"https:\/\/longchangchemical.com\/zh\/author\/marketinglongchang-group\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"How to Choose Additives for Waterborne Direct-to-Metal Coatings | CHLUMICRYL\u00ae","description":"Choose additives for waterborne direct-to-metal coatings by separating metal-surface wetting and anti-cratering, broader surface balance, and foam-control needs across CHLUMICRYL\u00ae routes.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/longchangchemical.com\/zh\/waterborne-direct-to-metal-additives\/","og_locale":"zh_CN","og_type":"article","og_title":"How to Choose Additives for Waterborne Direct-to-Metal Coatings | CHLUMICRYL\u00ae","og_description":"Choose additives for waterborne direct-to-metal coatings by separating metal-surface wetting and anti-cratering, broader surface balance, and foam-control needs across CHLUMICRYL\u00ae routes.","og_url":"https:\/\/longchangchemical.com\/zh\/waterborne-direct-to-metal-additives\/","og_site_name":"Longchang Chemical","article_published_time":"2026-07-16T00:00:55+00:00","article_modified_time":"2026-07-16T07:11:26+00:00","og_image":[{"width":1024,"height":576,"url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2026\/07\/waterborne-direct-to-metal-additives-hero.jpg","type":"image\/jpeg"}],"author":"marketing@longchang Group","twitter_card":"summary_large_image","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#article","isPartOf":{"@id":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/"},"author":{"name":"marketing@longchang Group","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/03647a4ce07fdc0e453f27a2b96ccce5"},"headline":"How to Choose Additives for Waterborne Direct-to-Metal Coatings","datePublished":"2026-07-16T00:00:55+00:00","dateModified":"2026-07-16T07:11:26+00:00","mainEntityOfPage":{"@id":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/"},"wordCount":1766,"publisher":{"@id":"https:\/\/longchangchemical.com\/#organization"},"image":{"@id":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#primaryimage"},"thumbnailUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2026\/07\/waterborne-direct-to-metal-additives-hero.jpg","articleSection":["Uncategorized"],"inLanguage":"zh-Hans"},{"@type":"WebPage","@id":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/","url":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/","name":"How to Choose Additives for Waterborne Direct-to-Metal Coatings | CHLUMICRYL\u00ae","isPartOf":{"@id":"https:\/\/longchangchemical.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#primaryimage"},"image":{"@id":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#primaryimage"},"thumbnailUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2026\/07\/waterborne-direct-to-metal-additives-hero.jpg","datePublished":"2026-07-16T00:00:55+00:00","dateModified":"2026-07-16T07:11:26+00:00","description":"Choose additives for waterborne direct-to-metal coatings by separating metal-surface wetting and anti-cratering, broader surface balance, and foam-control needs across CHLUMICRYL\u00ae routes.","breadcrumb":{"@id":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#primaryimage","url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2026\/07\/waterborne-direct-to-metal-additives-hero.jpg","contentUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2026\/07\/waterborne-direct-to-metal-additives-hero.jpg","width":1024,"height":576},{"@type":"BreadcrumbList","@id":"https:\/\/longchangchemical.com\/waterborne-direct-to-metal-additives\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/longchangchemical.com\/"},{"@type":"ListItem","position":2,"name":"How to Choose Additives for Waterborne Direct-to-Metal Coatings"}]},{"@type":"WebSite","@id":"https:\/\/longchangchemical.com\/#website","url":"https:\/\/longchangchemical.com\/","name":"\u9686\u660c\u5316\u5de5","description":"\u4e2d\u56fd\u5316\u5b66\u54c1\u5236\u9020\u5546\u548c\u4f9b\u5e94\u5546","publisher":{"@id":"https:\/\/longchangchemical.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/longchangchemical.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Organization","@id":"https:\/\/longchangchemical.com\/#organization","name":"\u9686\u660c\u5316\u5de5","url":"https:\/\/longchangchemical.com\/","logo":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/","url":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png","contentUrl":"https:\/\/longchangchemical.com\/wp-content\/uploads\/2020\/08\/cropped-longchang-logo.png","width":512,"height":512,"caption":"Longchang Chemical"},"image":{"@id":"https:\/\/longchangchemical.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/03647a4ce07fdc0e453f27a2b96ccce5","name":"\u5e02\u573a\u8425\u9500\u90e8@\u9f99\u660c\u96c6\u56e2","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/longchangchemical.com\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/a6a906641262cdfd34e337a3fa18594a?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a6a906641262cdfd34e337a3fa18594a?s=96&d=mm&r=g","caption":"marketing@longchang Group"},"url":"https:\/\/longchangchemical.com\/zh\/author\/marketinglongchang-group\/"}]}},"_links":{"self":[{"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/posts\/10662","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/comments?post=10662"}],"version-history":[{"count":2,"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/posts\/10662\/revisions"}],"predecessor-version":[{"id":10665,"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/posts\/10662\/revisions\/10665"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/media\/10663"}],"wp:attachment":[{"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/media?parent=10662"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/categories?post=10662"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/longchangchemical.com\/zh\/wp-json\/wp\/v2\/tags?post=10662"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}