{"id":10579,"date":"2026-07-12T00:00:46","date_gmt":"2026-07-12T00:00:46","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=10579"},"modified":"2026-07-12T12:13:28","modified_gmt":"2026-07-12T12:13:28","slug":"anti-corrosion-coating-additives","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/ko\/anti-corrosion-coating-additives\/","title":{"rendered":"How to Choose Additives for Anti-Corrosion Coatings"},"content":{"rendered":"<p><strong>\ube60\ub978 \ub2f5\ubcc0:<\/strong> \uad6c\ub9e4\uc790\uac00 \ucca8\uac00\uc81c\ub97c \uc120\ud0dd\ud558\ub294 \uc774\uc720 <strong>anti-corrosion coatings<\/strong> usually get a better shortlist when they stop treating every formulation issue as the same generic \u2018coating additive\u2019 problem. If the first pressure sits inside the <strong>primer millbase<\/strong>, especially pigment dispersion, viscosity reduction, or organic-bentonite handling, <a href=\"https:\/\/longchangchemical.com\/ko\/product\/agesin-dp-d200r\/\">CHLUMICRYL\u00ae DP-D200R<\/a> deserves the earlier screen. If the bigger risk is <strong>compatibility, anti-cratering, and substrate wetting<\/strong> in a protective-coating build, <a href=\"https:\/\/longchangchemical.com\/ko\/product\/chlumiag3467-silicone-leveling-agents\/\">CHLUMIAG\u00ae 3467<\/a> should move forward. If the line already has a workable coating package but still needs a better <strong>surface-balance result<\/strong> across smoothness, gloss, anti-blocking, dry feel, and scratch support, <a href=\"https:\/\/longchangchemical.com\/ko\/product\/chlumife-3166\/\">CHLUMIFE\u00ae 3166<\/a> belongs earlier.<\/p>\n<p>That is the commercially useful split. This page is not a rust-chemistry explainer and it is not another broad additive-overview page. It is a narrower CHLUMICRYL\u00ae application page for teams that already know the project is an anti-corrosion coating and need to decide <strong>which additive lane deserves the first sample round<\/strong>.<\/p>\n<h2>Why this anti-corrosion page deserves its own place in the CHLUMICRYL\u00ae branch<\/h2>\n<p>The live CHLUMICRYL\u00ae branch already includes the broader overview page <a href=\"https:\/\/longchangchemical.com\/ko\/chlumicryl-coating-ink-additives\/\">\ud074\ub85c\ubbf8\ud06c\ub9b4\u00ae \ucf54\ud305 \ubc0f \uc789\ud06c \ucca8\uac00\uc81c<\/a>, the wider <a href=\"https:\/\/longchangchemical.com\/ko\/dispersants-pigmented-coatings-inks\/\">dispersant guide<\/a>, the cross-function <a href=\"https:\/\/longchangchemical.com\/ko\/coating-defect-additive-selection\/\">coating defect additive selection page<\/a>, and application pages such as <a href=\"https:\/\/longchangchemical.com\/ko\/coil-coating-additives\/\">coil coating additives<\/a>. Those pages help buyers understand the larger branch.<\/p>\n<p>This page answers a narrower downstream question that still appears often in anti-corrosion work: <strong>should the first additive decision focus on primer-side pigment handling, compatibility-led crater control, or a broader surface-balance package for the finished coating?<\/strong><\/p>\n<p>General market language around protective and anti-corrosion coatings repeatedly separates <strong>pigment and extender dispersion<\/strong>, <strong>wet-film defect control<\/strong>, \uadf8\ub9ac\uace0 <strong>final appearance plus handling balance<\/strong> as different formulation conversations. That outside framing is useful for page structure. The actual product-choice facts below stay grounded in Longchang-supported product pages.<\/p>\n<h2>What anti-corrosion coating buyers are usually trying to fix first<\/h2>\n<p>In practical protective-coating development, the first bottleneck often shows up in one of three places:<\/p>\n<ul>\n<li><strong>During grinding or millbase preparation:<\/strong> viscosity climbs too early, pigment development is weaker than expected, the system burns too much thinner, or the team needs a cleaner bentonite-slurry route before the rest of the formula can even be judged.<\/li>\n<li><strong>While the wet film is laying down:<\/strong> the coating still shows anti-cratering pressure, weaker substrate wetting, or a compatibility issue that makes the surface-control package less stable than it should be.<\/li>\n<li><strong>After the film starts to present as a full coating system:<\/strong> the lab wants better smoothness, gloss, anti-blocking, dry feel, and scratch-balance performance without turning the first screen into a messy multi-additive stack.<\/li>\n<\/ul>\n<p>Those are related problems, but they do not belong to the same first shortlist. That is why a dedicated anti-corrosion application page can sit cleanly inside the CHLUMICRYL\u00ae branch without cannibalizing the broader guides.<\/p>\n<h2>\uac04\ub7b5 \ube44\uad50\ud45c: \uc5b4\ub5a4 \uacbd\ub85c\uac00 \uba3c\uc800 \ud654\uba74\uc5d0 \ub098\uc640\uc57c \ud560\uae4c\uc694?<\/h2>\n<table>\n<thead>\n<tr>\n<th>\uad00\ucc30\ub41c \uad6c\ub9e4\uc790 \uc6b0\uc120\uc21c\uc704<\/th>\n<th>\ucd5c\uc801\uc758 \uccab \ubc88\uc9f8 \uacbd\ub85c<\/th>\n<th>\uc65c \ucd08\uae30\uc5d0 \uc801\ud569\ud55c\uac00<\/th>\n<th>\uc8fc\uc694 \uac10\uc2dc \uc9c0\uc810<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Primer-side viscosity reduction, stronger pigment development, and better handling of bentonite or pigment-heavy millbases<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/agesin-dp-d200r\/\">CHLUMICRYL\u00ae DP-D200R<\/a><\/td>\n<td>Longchang directly recommends it for architectural, industrial, and anti-corrosion coating systems and ties it to dispersion efficiency, viscosity reduction, color intensity, transparency, hiding power, and organic-bentonite-slurry preparation<\/td>\n<td>It belongs in the grinding stage before pigment dispersion, not as a casual late-stage surface fix<\/td>\n<\/tr>\n<tr>\n<td>Compatibility-first anti-cratering, substrate wetting, and broader protective-coating modification<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/chlumiag3467-silicone-leveling-agents\/\">CHLUMIAG\u00ae 3467<\/a><\/td>\n<td>Longchang supports it across UV, solvent, and water-based systems, with direct-add or polyurethane-resin-modification handling plus anti-cratering, leveling, and wetting support<\/td>\n<td>Its positioning prioritizes compatibility more than a feel-led surface finish, so it should not be treated as the most tactile route by default<\/td>\n<\/tr>\n<tr>\n<td>Broad surface balance across smoothness, gloss, anti-blocking, dry feel, and scratch support<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/ko\/product\/chlumife-3166\/\">CHLUMIFE\u00ae 3166<\/a><\/td>\n<td>Longchang supports it across UV, solvent, and water-based systems and positions it around substrate wettability, surface smoothness, gloss improvement, scratch resistance, and anti-blocking<\/td>\n<td>Testing should watch the stated pinhole, whitening, and foam-stabilization risk during formulation work<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>When CHLUMICRYL\u00ae DP-D200R is the better first move<\/h2>\n<p><a href=\"https:\/\/longchangchemical.com\/ko\/product\/agesin-dp-d200r\/\">CHLUMICRYL\u00ae DP-D200R<\/a> should move to the front when the anti-corrosion project is being limited mainly by <strong>dispersion quality inside the primer or pigmented millbase<\/strong>, not by a purely surface-level crater or gloss issue.<\/p>\n<p>The current Longchang product page gives a clear reason to use it in that role. DP-D200R is positioned for <strong>\uc6a9\ub9e4 \uae30\ubc18 \uc2dc\uc2a4\ud15c<\/strong> and is directly described with <strong>excellent dispersion efficiency and viscosity reduction effect<\/strong>, <strong>high gloss<\/strong>, <strong>enhanced color intensity<\/strong>, <strong>increased transparency and hiding power<\/strong>, and being <strong>very suitable for the preparation of organic bentonite slurries<\/strong>. Longchang also states that it is <strong>especially recommended for architectural coatings, industrial coatings, and anti-corrosion coating systems<\/strong>.<\/p>\n<p>That makes DP-D200R commercially useful when:<\/p>\n<ul>\n<li>the anti-corrosion primer is still fighting <strong>millbase viscosity or grind efficiency<\/strong>,<\/li>\n<li>the lab wants to reduce thinner demand without losing dispersion performance,<\/li>\n<li>organic bentonite slurry preparation matters to the coating package, or<\/li>\n<li>the first screening question is still about <strong>pigment and extender handling<\/strong> rather than about wet-film crater control.<\/li>\n<\/ul>\n<p>Its use method is part of the choice, not an afterthought. Longchang says the dispersant should be <strong>added to the grinding material and stirred well, then pigment is added for grinding and dispersion<\/strong>. In other words, DP-D200R belongs earlier when the additive decision starts inside the dispersing stage rather than after the coating is already mostly built.<\/p>\n<h2>When CHLUMIAG\u00ae 3467 is the better first move<\/h2>\n<p><a href=\"https:\/\/longchangchemical.com\/ko\/product\/chlumiag3467-silicone-leveling-agents\/\">CHLUMIAG\u00ae 3467<\/a> deserves earlier review when the anti-corrosion coating team is less worried about primer grind behavior and more worried about <strong>compatibility, anti-cratering, wetting, and broad protective-coating modification<\/strong>.<\/p>\n<p>Longchang\u2019s current page positions 3467 as a <strong>\ub2e4\uc131\ubd84 \ubcc0\uc131 \ud3f4\ub9ac\uc2e4\ub85d\uc0b0<\/strong> that can be used in <strong>UV, \uc6a9\ub9e4 \ubc0f \uc218\uc131 \uc2dc\uc2a4\ud15c<\/strong>. The same page supports direct addition for coating modification and also allows use during <strong>polyurethane resin prepolymerization<\/strong> or later addition for resin modification. In live CHLUMICRYL\u00ae application memory, 3467 has already been used as the compatibility-first route for <strong>leveling, anti-cratering, substrate wetting, anti-sticking and peeling, scratch resistance, and abrasion resistance<\/strong>.<\/p>\n<p>That makes 3467 the cleaner first route when:<\/p>\n<ul>\n<li>the protective coating still needs a <strong>compatibility-first surface-control option<\/strong>,<\/li>\n<li>anti-cratering pressure is appearing before the team wants to move into more specialized fluorinated routes,<\/li>\n<li>the formulator wants a product that can be screened either by <strong>direct addition<\/strong> or during resin-side modification, or<\/li>\n<li>the project needs a broader wetting plus leveling route instead of a primer-dispersion fix.<\/li>\n<\/ul>\n<p>The watchpoint is also clear. Longchang states that this product <strong>\uc2dc\uc2a4\ud15c \ud638\ud658\uc131\uc744 \uc6b0\uc120\uc2dc\ud569\ub2c8\ub2e4.<\/strong>, so its feel is <strong>\uc57d\uac04 \ub35c \uc815\uc81c\ub428<\/strong> than more feel-led alternatives. That is not a weakness if compatibility and crater-control discipline matter more than hand feel. It simply means 3467 belongs first when the coating team is still trying to stabilize <strong>how the wet film behaves<\/strong>.<\/p>\n<h2>CHLUMIFE\u00ae 3166\uc774 \ub354 \ub098\uc740 \uccab \ubc88\uc9f8 \uc120\ud0dd\uc77c \ub54c<\/h2>\n<p><a href=\"https:\/\/longchangchemical.com\/ko\/product\/chlumife-3166\/\">CHLUMIFE\u00ae 3166<\/a> belongs earlier when the anti-corrosion coating package already has a workable core, but still needs a better <strong>surface-balance result<\/strong> across smoothness, gloss, anti-blocking, dry feel, and scratch-support behavior.<\/p>\n<p>The current Longchang page supports 3166 as a <strong>polyether-modified polyorganosiloxane<\/strong> ~\uc744 \uc704\ud55c <strong>UV, \uc6a9\ub9e4 \ubc0f \uc218\uc131 \uc2dc\uc2a4\ud15c<\/strong> \uad8c\uc7a5 \ubcf5\uc6a9\ub7c9\uacfc \ud568\uaed8 <strong>0.05% ~ 1%<\/strong> of total formulation. Live CHLUMICRYL\u00ae application use in the workspace has already tied 3166 to <strong>\ud45c\uba74\uc7a5\ub825 \uc81c\uc5b4<\/strong>, <strong>\ud0c1\uc6d4\ud55c \uac74\uc870\uac10<\/strong>, <strong>\uae30\ud310 \uc2b5\uc724\uc131<\/strong>, <strong>\ud45c\uba74 \ud3c9\ud65c\ub3c4<\/strong>, <strong>\uae01\ud798 \ubc29\uc9c0<\/strong>, <strong>\uc548\ud2f0\ube14\ub85c\ud0b9<\/strong>, \uadf8\ub9ac\uace0 <strong>gloss improvement<\/strong>.<\/p>\n<p>That makes 3166 commercially useful when:<\/p>\n<ul>\n<li>the anti-corrosion system needs a <strong>broader appearance-and-handling balance<\/strong> rather than a pure dispersant intervention,<\/li>\n<li>the buyer wants one route that can cover <strong>wettability, smoothness, gloss, and anti-blocking<\/strong> together,<\/li>\n<li>scratch-support matters, but the first screen does not need to narrow immediately into a more application-specific cured-film route, or<\/li>\n<li>the project spans multiple resin directions and needs a broad-system screening candidate.<\/li>\n<\/ul>\n<p>The watchpoint matters here too. Longchang warns that 3166 may <strong>cause pinholes or whitening<\/strong> and may also have a <strong>foam-stabilizing effect<\/strong>, so the team should keep defoamer support visible during testing. That makes 3166 a strong option for broad surface-balance work, but not a product to evaluate carelessly without looking at defect interaction.<\/p>\n<h2>\uad6c\ub9e4\uc790\uac00 \uc0d8\ud50c\uc744 \uc694\uccad\ud558\uae30 \uc804\uc5d0 \uc5b4\ub5bb\uac8c \uc120\ud0dd\ud574\uc57c \ud560\uae4c\uc694?<\/h2>\n<h3>1. Start with the real failure stage<\/h3>\n<p>If the anti-corrosion formulation is still being limited inside the primer grind, move DP-D200R forward first. If the bigger risk shows up as crater control, compatibility, or wet-film surface behavior, move 3467 up. If the line mainly needs smoother, glossier, less blocking-prone film behavior with broader surface balance, move 3166 earlier.<\/p>\n<h3>2. Do not use a surface additive to hide a dispersion problem<\/h3>\n<p>A protective coating with weak pigment handling can still look like a general performance problem from a distance. If the real bottleneck is the millbase, fix the dispersant lane before stacking on more surface-control additives.<\/p>\n<h3>3. Keep compatibility and process method visible<\/h3>\n<p>DP-D200R belongs in the grinding route. 3467 can be used either by direct addition or during resin modification. 3166 can be added at any stage, but its side-effect watchpoints still need to be screened. Process fit is part of the product choice.<\/p>\n<h3>4. Use a short first shortlist<\/h3>\n<p>For many anti-corrosion projects, the cleanest first lab round is one <strong>primer-dispersion benchmark<\/strong>, \ud558\ub098 <strong>compatibility-led anti-cratering benchmark<\/strong>\uadf8\ub9ac\uace0 \ud558\ub098 <strong>broad surface-balance benchmark<\/strong>. That usually teaches more than testing several nearby silicone or dispersant products all at once.<\/p>\n<h3>5. Keep the commercial handoff visible<\/h3>\n<p>This page should not be the end of the path. Once the first bottleneck is clear, the buyer can move from this anti-corrosion application page into the most relevant product route, broader branch page, or a narrower product-vs-product comparison inside the CHLUMICRYL\u00ae cluster.<\/p>\n<h2>\uc774 \ud398\uc774\uc9c0\uc5d0\uc11c \ucd94\ucc9c\ud558\ub294 \ub871\ucc3d \ucf54\uc2a4<\/h2>\n<ul>\n<li><strong>\ud074\ub7ec\uc2a4\ud130 \uac1c\uc694:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/chlumicryl-coating-ink-additives\/\">\ud074\ub85c\ubbf8\ud06c\ub9b4\u00ae \ucf54\ud305 \ubc0f \uc789\ud06c \ucca8\uac00\uc81c<\/a><\/li>\n<li><strong>Related dispersant page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/dispersants-pigmented-coatings-inks\/\">\uc548\ub8cc \ucf54\ud305 \ubc0f \uc789\ud06c\uc6a9 \ubd84\uc0b0\uc81c \uc120\ud0dd \ubc29\ubc95<\/a><\/li>\n<li><strong>\uad00\ub828 \uacb0\ud568 \ud398\uc774\uc9c0:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/coating-defect-additive-selection\/\">\ucf54\ud305 \ubc0f \uc789\ud06c\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc2b5\uc724 \ucca8\uac00\uc81c, \ud3c9\ud65c\uc131 \ucca8\uac00\uc81c, \uc18c\ud3ec\uc81c, \ubd88\uc18c\uacc4 \uacc4\uba74\ud65c\uc131\uc81c<\/a><\/li>\n<li><strong>\uad00\ub828 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ud398\uc774\uc9c0:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/coil-coating-additives\/\">How to Choose Surface Additives for Coil Coatings<\/a><\/li>\n<li><strong>Primer-side dispersant route:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/product\/agesin-dp-d200r\/\">CHLUMICRYL\u00ae DP-D200R<\/a><\/li>\n<li><strong>Compatibility-first route:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/product\/chlumiag3467-silicone-leveling-agents\/\">CHLUMIAG\u00ae 3467<\/a><\/li>\n<li><strong>Broad surface-balance route:<\/strong> <a href=\"https:\/\/longchangchemical.com\/ko\/product\/chlumife-3166\/\">CHLUMIFE\u00ae 3166<\/a><\/li>\n<\/ul>\n<h2>\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n<h3>Which additive should I screen first for an anti-corrosion primer with difficult pigment or bentonite handling?<\/h3>\n<p>Usually DP-D200R, because Longchang directly ties it to dispersion efficiency, viscosity reduction, organic-bentonite-slurry preparation, and explicit anti-corrosion coating relevance.<\/p>\n<h3>When should 3467 move ahead of a dispersant in anti-corrosion coatings?<\/h3>\n<p>When the main pressure is compatibility, anti-cratering, or wet-film wetting and leveling rather than millbase dispersion. That is a different first-screen problem from pigment handling.<\/p>\n<h3>Why would 3166 move ahead of 3467?<\/h3>\n<p>Because 3166 is the broader surface-balance route when the buyer needs smoothness, gloss, anti-blocking, dry feel, and scratch support together, while still screening carefully for pinhole or whitening risk.<\/p>\n<h3>\uc774 \uc138 \uac00\uc9c0 \ucca8\uac00\uc81c \uc911 \ud558\ub098\uac00 \ub098\uba38\uc9c0 \ub450 \uac00\uc9c0\ub97c \ub300\uccb4\ud560 \uc218 \uc788\uc744\uae4c\uc694?<\/h3>\n<p>No. One is primarily a primer-dispersion route, one is a compatibility-led anti-cratering and wetting route, and one is a broader surface-balance route. They solve different first problems.<\/p>\n<h3>What is the most common evaluation mistake in this kind of shortlist?<\/h3>\n<p>Treating a grind-stage dispersant problem, a crater-control problem, and a broad appearance-balance problem as if they belonged to the same first additive choice. That usually muddies the lab result instead of clarifying it.<\/p>\n<h2>Need a shorter additive shortlist for anti-corrosion coatings?<\/h2>\n<p>If your anti-corrosion coating project is stuck between <strong>primer-side pigment handling<\/strong>, <strong>compatibility-led anti-cratering control<\/strong>, \uadf8\ub9ac\uace0 <strong>broader surface-balance work<\/strong>, define the real first bottleneck before requesting samples. That usually makes the CHLUMICRYL\u00ae shortlist cleaner, more commercial, and easier to validate.<\/p>","protected":false},"excerpt":{"rendered":"<p>A practical CHLUMICRYL\u00ae buyer guide for anti-corrosion coatings that separates primer-side pigment dispersion, compatibility-led anti-cratering control, and broader surface-balance work before the first sample round.<\/p>","protected":false},"author":6,"featured_media":10580,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10579","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 Anti-Corrosion Coatings | CHLUMICRYL\u00ae<\/title>\n<meta name=\"description\" content=\"Choose additives for 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