{"id":10980,"date":"2026-08-01T00:00:43","date_gmt":"2026-08-01T00:00:43","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=10980"},"modified":"2026-08-01T07:10:13","modified_gmt":"2026-08-01T07:10:13","slug":"waterborne-screen-varnish-additives","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/zh\/waterborne-screen-varnish-additives\/","title":{"rendered":"How to Choose Additives for Waterborne Screen Varnishes"},"content":{"rendered":"<p><strong>\u5feb\u901f\u56de\u7b54\uff1a<\/strong> \u4e70\u5bb6\u9009\u62e9 <strong>additives for waterborne screen varnishes<\/strong> usually get a faster shortlist when they separate <strong>three different first-screen jobs<\/strong> instead of treating every varnish complaint as one vague surface problem. <a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumile3345-wetting-and-leveling-agent\/\">CHLUMILE\u00ae 3345<\/a> should move first when the main target is <strong>screen-face wetting and leveling balance<\/strong> and the waterborne varnish still needs a smoother, calmer laydown. <a href=\"https:\/\/longchangchemical.com\/zh\/product\/agesin-we-d912r-defoamer\/\">CHLUMICRYL\u00ae WE-D912R<\/a> deserves earlier review when the bottleneck is <strong>microbubbles, foam retention, or compatibility-sensitive air release<\/strong> in a higher-viscosity waterborne varnish route. <a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumife3482-bd-3482x-organosilicon-slip-and-wear-resistant-additives\/\">CHLUMIFE\u00ae 3482 \/ 3482X<\/a> belongs earlier when the film already forms but the <strong>final surface still sticks too easily, drags, or needs lower friction and cleaner slip feel<\/strong>.<\/p>\n<p>That is the commercially useful split. This page stays inside the redirected <strong>CHLUMICRYL\u00ae coating-and-ink-additives<\/strong> direction and does <strong>not<\/strong> fall back to the older photoinitiator cluster. It also is intentionally narrower than the already-live <a href=\"https:\/\/longchangchemical.com\/zh\/uv-screen-varnish-additives\/\">UV screen varnish<\/a> page and different from the already-live <a href=\"https:\/\/longchangchemical.com\/zh\/waterborne-overprint-varnish-additives\/\">waterborne overprint varnish<\/a> page. A <strong>waterborne screen varnish<\/strong> sits in its own buyer lane because the film is screen-applied, often heavier than a normal OPV, and still has to wet, level, dry, and handle acceptably as the visible varnish layer.<\/p>\n<h2>Why waterborne screen varnishes deserve their own additive page<\/h2>\n<p>Longchang already has broader live pages for <a href=\"https:\/\/longchangchemical.com\/zh\/chlumicryl-coating-ink-additives\/\">CHLUMICRYL\u00ae \u6d82\u5c42\u548c\u6cb9\u58a8\u6dfb\u52a0\u5242<\/a>, <a href=\"https:\/\/longchangchemical.com\/zh\/wetting-additives-coatings-inks\/\">\u6da6\u6e7f\u6dfb\u52a0\u5242<\/a>, <a href=\"https:\/\/longchangchemical.com\/zh\/defoamers-coatings-inks\/\">\u6d88\u6ce1\u5242<\/a>, <a href=\"https:\/\/longchangchemical.com\/zh\/slip-additives-coatings-inks\/\">\u6da6\u6ed1\u5242<\/a>\uff0c \u548c <a href=\"https:\/\/longchangchemical.com\/zh\/anti-blocking-additives-coatings-inks\/\">\u9632\u5835\u585e\u6dfb\u52a0\u5242<\/a>. Those pages help buyers choose the broader function family.<\/p>\n<p>A waterborne screen-varnish project creates a tighter question after that: <strong>is the first failure really in wetting and visible-face leveling, is it bubble cleanup in a waterborne thicker-film process, or is it final-surface anti-sticking and handling after drying?<\/strong> That is a different decision from a broad waterborne OPV article because the buyer is not only managing a thinner finish coat over print. The varnish itself is often a more deliberate screen-applied layer, with a heavier film and more sensitivity to mesh-transfer appearance, trapped air, and stacked-sheet handling.<\/p>\n<p>General industry framing supports that split conservatively. Screen-applied water-based varnish work is often judged first by whether the varnish can lay down evenly, whether entrained air survives into the visible film, and whether the dried surface still blocks or drags in downstream handling. The product-specific facts below still stay tied to current Longchang-supported product pages.<\/p>\n<h2>What the current company-supported evidence already separates<\/h2>\n<ul>\n<li><strong>CHLUMILE\u00ae 3345<\/strong> is supported by Longchang as a <strong>polyether-modified polysiloxane wetting and leveling agent<\/strong> \u4e3a\u4e86 <strong>\u6c34<\/strong>, <strong>oil<\/strong>\uff0c \u548c <strong>\u7d2b\u5916\u7ebf\u7cfb\u7edf<\/strong>. The current company page supports a recommended dosage of <strong>0.1% \u81f3 1.0%<\/strong>, addition during <strong>grinding<\/strong>, <strong>stirring<\/strong>\uff0c \u6216\u8005 <strong>after production<\/strong>, and the practical note that some <strong>co-solvents<\/strong> can enhance the effect.<\/li>\n<li><strong>CHLUMICRYL\u00ae WE-D912R<\/strong> is supported by Longchang as a <strong>water-borne emulsion defoamer<\/strong> \u4e3a\u4e86 <strong>water-based paints<\/strong>, <strong>water-based inks<\/strong>, <strong>\u53e0\u5370\u6e05\u6f06<\/strong>\uff0c \u548c <strong>acrylic overprint varnishes<\/strong>. The supported route highlights <strong>microbubble suppression<\/strong>, <strong>excellent compatibility<\/strong>, and suitability for <strong>medium- and high-viscosity systems<\/strong>\u63a8\u8350\u5242\u91cf\u4e3a <strong>0.1% \u81f3 1.0%<\/strong>.<\/li>\n<li><strong>CHLUMIFE\u00ae 3482 \/ 3482X<\/strong> is supported by Longchang as an <strong>\u6709\u673a\u7845\u9632\u6ed1\u8010\u78e8\u6dfb\u52a0\u5242<\/strong>\uff0c\u4e00\u4e2a <strong>\u6c34\u6027\u6d82\u6599\u9632\u7c98\u5242<\/strong>\uff0c\u4ee5\u53ca\u4e00\u4e2a <strong>\u6c34\u6027\u6cb9\u58a8\u624b\u611f\u5242<\/strong>. The current company page supports <strong>lower coefficient of friction<\/strong>, <strong>\u4e0d\u7c98<\/strong>, <strong>\u6ed1\u611f<\/strong>\uff0c \u548c <strong>\u8010\u78e8\u6027<\/strong>\u63a8\u8350\u5242\u91cf\u4e3a <strong>0.05% \u81f3 1.0%<\/strong>. The same page also says it should be <strong>pre-diluted with small amounts of water in batches<\/strong> before addition and notes that industrial use should still test for <strong>\u9488\u5b54\u98ce\u9669<\/strong>.<\/li>\n<\/ul>\n<p>That is enough supported separation to build a real buyer page. The goal is not to pretend one additive solves every waterborne screen-varnish complaint. The goal is to help a buyer choose the <strong>first better trial route<\/strong> based on what the varnish film actually is failing to do.<\/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>\u89c2\u5bdf\u5230\u7684\u4e70\u5bb6\u4f18\u5148<\/th>\n<th>\u6700\u4f73\u9996\u9009\u8def\u7ebf<\/th>\n<th>\u4e3a\u4ec0\u4e48\u5b83\u5c5e\u4e8e\u65e9\u671f\u9636\u6bb5<\/th>\n<th>\u4e3b\u8981\u89c2\u5bdf\u70b9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Waterborne screen varnish still needs smoother laydown, better wetting, or a calmer visible screen-applied face<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumile3345-wetting-and-leveling-agent\/\">CHLUMILE\u00ae 3345<\/a><\/td>\n<td>Longchang positions it directly as a wetting and leveling agent with water-based fit and a supported 0.1% to 1.0% dosage window<\/td>\n<td>It is not a substitute for a true defoamer if trapped air is the real first defect<\/td>\n<\/tr>\n<tr>\n<td>Waterborne screen varnish is limited by microbubbles, foam retention, or compatibility-sensitive air release in a heavier process window<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/agesin-we-d912r-defoamer\/\">CHLUMICRYL\u00ae WE-D912R<\/a><\/td>\n<td>Longchang directly supports it for water-based paints, inks, and overprint-varnish routes while highlighting microbubble suppression and excellent compatibility in medium- and high-viscosity systems<\/td>\n<td>It should be treated as a waterborne defoamer route, not as the first answer to leveling or final-surface slip problems<\/td>\n<\/tr>\n<tr>\n<td>Finished waterborne screen varnish still sticks, drags, or needs lower friction and stronger final-surface handling<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumife3482-bd-3482x-organosilicon-slip-and-wear-resistant-additives\/\">CHLUMIFE\u00ae 3482 \/ 3482X<\/a><\/td>\n<td>Longchang supports it for water-based anti-sticking, lower coefficient of friction, slip feel, and abrasion resistance<\/td>\n<td>Water-based only, staged water dilution is required, and pinhole risk still needs industrial testing<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>When CHLUMILE\u00ae 3345 is the better first move<\/h2>\n<p>3345 should move first when the waterborne screen varnish already belongs in a <strong>surface-laydown conversation<\/strong>. This is the stronger first route when the screen-applied film still needs <strong>smoother visible-face leveling<\/strong>, calmer spread, or a cleaner balance between wetting and film appearance on the printed sheet or board.<\/p>\n<p>That distinction matters because a waterborne screen varnish usually gets judged on the visible varnish layer itself, not only on whether some general coating function worked in isolation. Longchang\u2019s current product page is useful here because 3345 is supported directly as a <strong>wetting and leveling agent<\/strong>, not only as a vague silicone aid, and the route stays open to water-based use with flexible addition timing.<\/p>\n<p>3345 is usually the better first route when:<\/p>\n<ul>\n<li>the varnish reaches the print face but still does not <strong>lie down calmly enough<\/strong>,<\/li>\n<li>the buyer wants a more balanced <strong>wetting-plus-leveling<\/strong> route instead of a pure difficult-substrate wetting push,<\/li>\n<li>the screen-varnish team is already evaluating <strong>surface appearance and face smoothness<\/strong>\uff0c \u6216\u8005<\/li>\n<li>the development plan already includes co-solvent and leveling balance, not only coverage correction.<\/li>\n<\/ul>\n<p>In short, 3345 is the stronger first move when the project is still trying to make the <strong>waterborne screen-varnish face look better<\/strong>, not when the main defect is bubbles or final-surface blocking after the film has already formed.<\/p>\n<h2>When CHLUMICRYL\u00ae WE-D912R is the better first move<\/h2>\n<p>WE-D912R deserves earlier review when the buyer\u2019s real first complaint is <strong>microbubbles<\/strong>, <strong>foam retention<\/strong>\uff0c \u6216\u8005 <strong>air-release instability<\/strong> in waterborne screen-varnish work. This route becomes especially useful when the process window is more viscous or the deposited film is heavy enough that surviving air becomes visibly expensive.<\/p>\n<p>Longchang\u2019s current company-supported route is direct here. WE-D912R is a <strong>water-borne emulsion defoamer<\/strong> that Longchang positions for <strong>water-based paints<\/strong>, <strong>water-based inks<\/strong>, <strong>\u53e0\u5370\u6e05\u6f06<\/strong>\uff0c \u548c <strong>acrylic overprint varnishes<\/strong>. The same page highlights <strong>excellent compatibility<\/strong> and suitability for <strong>medium- and high-viscosity systems<\/strong>. That matters because a screen-applied waterborne varnish often behaves more like a heavier-process bubble-management problem than a thin-film afterthought.<\/p>\n<p>WE-D912R is usually the better first route when:<\/p>\n<ul>\n<li>the waterborne screen varnish still carries persistent fine bubbles into the visible dried film,<\/li>\n<li>the team needs a route tied directly to <strong>microbubble suppression<\/strong> instead of broader surface tuning,<\/li>\n<li>the buyer cares about <strong>compatibility-sensitive defoaming<\/strong> more than pure foam knockdown headlines, or<\/li>\n<li>microbubbles are hurting gloss, film clarity, or mesh-transfer cleanliness more than wetting is.<\/li>\n<\/ul>\n<p>So WE-D912R is the better first move when the varnish program is being limited by <strong>waterborne air management<\/strong>, not simply by how the liquid first reaches the printed surface.<\/p>\n<h2>\u5f53 CHLUMIFE\u00ae 3482 \/ 3482X \u662f\u66f4\u4f73\u7684\u9996\u9009\u65b9\u6848\u65f6<\/h2>\n<p>3482 \/ 3482X belongs earlier when the waterborne screen varnish already forms a workable film, but the <strong>finished surface still sticks too easily, feels too draggy, or needs lower friction and stronger slip-feel handling<\/strong>. In many screen-varnish workflows, that question shows up after drying, stacking, converting, or contact handling, not during initial laydown.<\/p>\n<p>Longchang positions 3482 \/ 3482X as an <strong>\u6709\u673a\u7845\u9632\u6ed1\u8010\u78e8\u6dfb\u52a0\u5242<\/strong>\uff0c\u4e00\u4e2a <strong>\u6c34\u6027\u6d82\u6599\u9632\u7c98\u5242<\/strong>\uff0c\u4ee5\u53ca\u4e00\u4e2a <strong>\u6c34\u6027\u6cb9\u58a8\u624b\u611f\u5242<\/strong>. The company page also supports <strong>lower coefficient of friction<\/strong>, <strong>\u4e0d\u7c98<\/strong>\u6539\u8fdb <strong>\u6ed1\u611f<\/strong>, and better <strong>\u8010\u78e8\u6027<\/strong>. That makes it commercially useful once the screen-varnish film already forms directionally and the buyer\u2019s problem has shifted into the <strong>dried-surface handling window<\/strong>.<\/p>\n<p>3482 \/ 3482X is usually the cleaner first route when:<\/p>\n<ul>\n<li>the main complaint shows up <strong>after drying<\/strong>, not during laydown,<\/li>\n<li>the varnished sheet still needs <strong>cleaner anti-sticking<\/strong>, <strong>\u964d\u4f4e\u6469\u64e6<\/strong>, or better <strong>rub and handling feel<\/strong>,<\/li>\n<li>the route must stay <strong>\u4ec5\u6c34\u6027<\/strong>\uff0c \u6216\u8005<\/li>\n<li>the team wants a more final-surface-focused screen before changing broader wetting or bubble-control choices.<\/li>\n<\/ul>\n<p>The process note matters. Longchang says 3482 \/ 3482X should be <strong>pre-diluted with small amounts of water in batches<\/strong> before use and still needs real industrial testing for <strong>\u9488\u5b54\u98ce\u9669<\/strong>. That handling difference is part of the selection logic, not a small footnote.<\/p>\n<h2>\u4e70\u5bb6\u5728\u7d22\u53d6\u6837\u54c1\u524d\u5e94\u8be5\u5982\u4f55\u9009\u62e9\uff1f<\/h2>\n<h3>1. \u4ece\u5931\u8d25\u9636\u6bb5\u5f00\u59cb<\/h3>\n<p>If the waterborne screen varnish is not laying down evenly enough, start with 3345 earlier. If the main defect is microbubbles or foam retention, move first to WE-D912R. If the varnish film already forms but still blocks, drags, or scuffs too easily, move 3482 \/ 3482X up.<\/p>\n<h3>2. Keep the route screen-varnish specific<\/h3>\n<p>This page is intentionally about <strong>waterborne screen varnish<\/strong>, not a broad UV screen-varnish cluster and not only a general waterborne OPV branch. That is why the selected first-screen products favor water-compatible routes and a visible thicker-film logic instead of repeating the reactive UV choices from the UV screen-varnish page.<\/p>\n<h3>3. Do not use a slip route to hide a bubble problem<\/h3>\n<p>A final-surface additive cannot replace a real waterborne defoamer when the film still is being damaged by microbubbles. Solve the first defect first.<\/p>\n<h3>4. Keep process handling visible<\/h3>\n<p>3345 has flexible addition timing, WE-D912R is a compatibility-led waterborne defoamer for medium- and high-viscosity systems, and 3482 \/ 3482X needs staged water dilution. Those practical differences often decide the better first sample more than the product family name does.<\/p>\n<h3>5. Keep the first lab round short<\/h3>\n<p>For many waterborne screen-varnish teams, one <strong>laydown route<\/strong>\uff0c \u4e00 <strong>microbubble-control route<\/strong>\uff0c\u4ee5\u53ca\u4e00\u4e2a <strong>final-surface anti-sticking route<\/strong> teach more than a crowded first screen of 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>\u76f8\u5173\u529f\u80fd\u9875\u9762\uff1a<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/wetting-additives-coatings-inks\/\">\u5982\u4f55\u9009\u62e9\u6d82\u6599\u548c\u6cb9\u58a8\u7684\u6da6\u6e7f\u52a9\u5242<\/a><\/li>\n<li><strong>\u76f8\u5173\u529f\u80fd\u9875\u9762\uff1a<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/defoamers-coatings-inks\/\">\u5982\u4f55\u9009\u62e9\u6d82\u6599\u548c\u6cb9\u58a8\u7528\u6d88\u6ce1\u5242<\/a><\/li>\n<li><strong>\u76f8\u5173\u529f\u80fd\u9875\u9762\uff1a<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/slip-additives-coatings-inks\/\">\u5982\u4f55\u9009\u62e9\u6d82\u6599\u548c\u6cb9\u58a8\u7684\u6ed1\u723d\u5242<\/a><\/li>\n<li><strong>\u76f8\u5173\u529f\u80fd\u9875\u9762\uff1a<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/anti-blocking-additives-coatings-inks\/\">\u5982\u4f55\u9009\u62e9\u6d82\u6599\u548c\u6cb9\u58a8\u7684\u9632\u7c98\u8fde\u6dfb\u52a0\u5242<\/a><\/li>\n<li><strong>UV-oriented adjacent page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/uv-screen-varnish-additives\/\">How to Choose Additives for UV Screen Varnishes<\/a><\/li>\n<li><strong>Waterborne adjacent page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/waterborne-overprint-varnish-additives\/\">How to Choose Additives for Waterborne Overprint Varnishes<\/a><\/li>\n<li><strong>Wetting and leveling route:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumile3345-wetting-and-leveling-agent\/\">CHLUMILE\u00ae 3345<\/a><\/li>\n<li><strong>Waterborne microbubble route:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/product\/agesin-we-d912r-defoamer\/\">CHLUMICRYL\u00ae WE-D912R<\/a><\/li>\n<li><strong>Final-surface anti-sticking route:<\/strong> <a href=\"https:\/\/longchangchemical.com\/zh\/product\/chlumife3482-bd-3482x-organosilicon-slip-and-wear-resistant-additives\/\">CHLUMIFE\u00ae 3482 \/ 3482X<\/a><\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u95ee\u9898<\/h2>\n<h3>Which additive should I test first in a waterborne screen varnish that still lays down unevenly?<\/h3>\n<p>Usually CHLUMILE\u00ae 3345, because Longchang supports it directly as a wetting and leveling agent with water-based fit and flexible addition timing.<\/p>\n<h3>When should a waterborne screen-varnish team choose WE-D912R before a leveling or slip route?<\/h3>\n<p>Choose WE-D912R earlier when the real bottleneck is microbubbles, foam retention, or compatibility-sensitive bubble cleanup, especially if the screen-varnish process is already behaving like a medium- or high-viscosity air-release problem.<\/p>\n<h3>\u4e3a\u4ec0\u4e48 3482 \u6216 3482X \u4f1a\u9886\u5148\u4e8e\u5176\u4ed6\u4e24\u4e2a\u7248\u672c\uff1f<\/h3>\n<p>Because 3482 \/ 3482X belongs earlier when the film already forms but the final waterborne screen-varnish surface still needs lower friction, anti-sticking, better slip feel, or stronger abrasion handling after drying.<\/p>\n<h3>\u8fd9\u4e09\u79cd\u6dfb\u52a0\u5242\u4e2d\uff0c\u80fd\u5426\u6709\u4e00\u79cd\u66ff\u4ee3\u53e6\u5916\u4e24\u79cd\uff1f<\/h3>\n<p>No. They answer different first-screen jobs. One is mainly for laydown balance, one is for waterborne microbubble control, and one is for final-surface anti-sticking and handling.<\/p>\n<h3>What is the easiest process detail to miss in this shortlist?<\/h3>\n<p>The addition method. 3345 can be added flexibly, while 3482 \/ 3482X should be pre-diluted with water in batches before use. That handling difference can affect how the first trial performs.<\/p>\n<h2>Need a shorter additive shortlist for waterborne screen varnishes?<\/h2>\n<p>\u5982\u679c\u4f60\u7684\u9879\u76ee\u9677\u5165\u4e86\u4ee5\u4e0b\u56f0\u5883\uff1a <strong>better laydown<\/strong>, <strong>cleaner microbubble control<\/strong>\uff0c \u548c <strong>stronger final-surface anti-sticking<\/strong>, define the real first failure before requesting samples. That usually makes the CHLUMICRYL\u00ae shortlist cleaner, faster, and easier to validate.<\/p>","protected":false},"excerpt":{"rendered":"<p>A practical CHLUMICRYL\u00ae buyer guide for waterborne screen varnishes that separates screen-face wetting and leveling, water-based microbubble cleanup, and final-surface anti-sticking before scale-up.<\/p>","protected":false},"author":6,"featured_media":10981,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10980","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 Screen Varnishes | CHLUMICRYL\u00ae<\/title>\n<meta name=\"description\" content=\"Choose additives for waterborne screen varnishes 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