{"id":10651,"date":"2026-07-15T00:00:12","date_gmt":"2026-07-15T00:00:12","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=10651"},"modified":"2026-07-15T21:07:00","modified_gmt":"2026-07-15T21:07:00","slug":"can-coating-additives","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/fr\/can-coating-additives\/","title":{"rendered":"How to Choose Surface Additives for Can Coatings"},"content":{"rendered":"<p><strong>R\u00e9ponse rapide :<\/strong> acheteurs travaillant sur <strong>can coatings<\/strong> usually get a cleaner first shortlist when they separate three different jobs instead of asking one additive to solve every surface problem at once. <a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumife-3166\/\">CHLUMIFE\u00ae 3166<\/a> should move first when the main target is a <strong>broader surface-balance route<\/strong> across wetting, smoothness, gloss, anti-blocking, and scratch support. <a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiag3467-silicone-leveling-agents\/\">CHLUMIAG\u00ae 3467<\/a> deserves earlier review when the system is more <strong>compatibility-sensitive<\/strong> and the first question is whether a <strong>leveling and anti-cratering route<\/strong> can clean up the film without narrowing the formulation window too quickly. <a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumife3307x-organic-silicone-leveling-agent-scratch-resistant-leveling-agent\/\">CHLUMIFE\u00ae 3307X<\/a> belongs earlier when the coating already lays down acceptably but the <strong>cured film still needs stronger scratch or abrasion resistance<\/strong> et <strong>La possibilit\u00e9 de recouvrir reste importante.<\/strong>.<\/p>\n<p>That is the commercially useful split. This page is not another broad coatings-additives overview. It is a narrower CHLUMICRYL\u00ae application page for buyers who already know the project is a metal-packaging or can-coating job and need a faster first screen.<\/p>\n<h2>Why can coatings deserve their own additive page<\/h2>\n<p>Longchang poss\u00e8de d\u00e9j\u00e0 des pages en direct pour <a href=\"https:\/\/longchangchemical.com\/fr\/chlumicryl-coating-ink-additives\/\">CHLUMICRYL\u00ae Additifs pour rev\u00eatements et encres<\/a>, <a href=\"https:\/\/longchangchemical.com\/fr\/coil-coating-additives\/\">additifs pour rev\u00eatement de bobines<\/a>, <a href=\"https:\/\/longchangchemical.com\/fr\/anti-corrosion-coating-additives\/\">anti-corrosion coating additives<\/a>, <a href=\"https:\/\/longchangchemical.com\/fr\/leveling-additives-coatings-inks\/\">additifs de nivellement<\/a>et <a href=\"https:\/\/longchangchemical.com\/fr\/scratch-resistant-additives-coatings-inks\/\">additifs anti-rayures<\/a>. Those pages solve broader buyer questions.<\/p>\n<p>A can-coating project creates a narrower one: <strong>should the first additive screen focus on broad surface balance, compatibility-first defect control, or final-film scratch and recoat performance?<\/strong> That is a different decision from a general industrial-coating page because metal-packaging buyers often care about smooth laydown, crater control on metal surfaces, blocking or scuff risk during handling, and whether later coating or overprint steps still stay practical.<\/p>\n<p>That broader industry framing is used here only as conservative application context. The product-specific facts below stay tied to current Longchang-supported product pages.<\/p>\n<h2>What makes these three routes different<\/h2>\n<ul>\n<li><strong>CHLUMIFE\u00ae 3166<\/strong> is positioned by Longchang as a <strong>polyorganosiloxane modifi\u00e9 par poly\u00e9ther<\/strong> used to control surface tension, with supported gains around <strong>excellente sensation de sec<\/strong>, <strong>mouillabilit\u00e9 du substrat<\/strong>, <strong>rugosit\u00e9 de surface<\/strong>, <strong>r\u00e9sistance aux rayures<\/strong>, <strong>anti-blocage<\/strong>, <strong>leveling<\/strong>et <strong>am\u00e9lioration du brillant<\/strong>. The page supports use in <strong>Syst\u00e8mes \u00e0 base d&#039;UV, de solvants et d&#039;eau<\/strong>.<\/li>\n<li><strong>CHLUMIAG\u00ae 3467<\/strong> is positioned by Longchang as a <strong>polysiloxane modifi\u00e9 multicomposant<\/strong> that prioritizes <strong>system compatibility<\/strong>. Its current company-supported route includes <strong>leveling<\/strong>, <strong>anti-crat\u00e9risation<\/strong>, <strong>mouillage du substrat<\/strong>, and flexible use either as a direct coating additive or during <strong>polyurethane resin modification<\/strong>. The page supports use in <strong>Syst\u00e8mes \u00e0 base d&#039;UV, de solvants et d&#039;eau<\/strong>.<\/li>\n<li><strong>CHLUMIFE\u00ae 3307X<\/strong> is the more specific <strong>cured-film scratch and abrasion route<\/strong>. Longchang explicitly supports it around improving <strong>abrasion resistance and scratch resistance after film formation<\/strong>, ainsi que <strong>rugosit\u00e9 de surface<\/strong>, <strong>leveling<\/strong>et un <strong>recoatability-first<\/strong> position. Its current company page supports <strong>Syst\u00e8mes UV et solvants<\/strong>, not water-based systems.<\/li>\n<\/ul>\n<p>That is enough separation to justify a real buyer-selection page instead of sending every can-coating team back to a generic additive hub.<\/p>\n<h2>Tableau comparatif rapide\u00a0: quel itin\u00e9raire m\u00e9rite la premi\u00e8re place\u00a0?<\/h2>\n<table>\n<thead>\n<tr>\n<th>Buyer priority in can coatings<\/th>\n<th>Meilleur premier itin\u00e9raire<\/th>\n<th>Pourquoi cela devrait \u00eatre la premi\u00e8re chose \u00e0 faire<\/th>\n<th>Point de surveillance principal<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Broader surface balance across wetting, smoothness, gloss, anti-blocking, and scratch support<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumife-3166\/\">CHLUMIFE\u00ae 3166<\/a><\/td>\n<td>Longchang supports it as a broader surface-control route across UV, solvent, and water-based 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>Compatibility-first anti-cratering, leveling, and wetting control in a more defect-sensitive formulation<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiag3467-silicone-leveling-agents\/\">CHLUMIAG\u00ae 3467<\/a><\/td>\n<td>Longchang positions it around compatibility-first use, anti-cratering, and flexible direct-add or resin-modification routes<\/td>\n<td>Feel is not its main strength when compared with more feel-led options<\/td>\n<\/tr>\n<tr>\n<td>Cured film still scratches or abrades too easily and recoatability still matters<\/td>\n<td><a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumife3307x-organic-silicone-leveling-agent-scratch-resistant-leveling-agent\/\">CHLUMIFE\u00ae 3307X<\/a><\/td>\n<td>Longchang explicitly ties it to scratch and abrasion resistance after film formation with recoatability priority<\/td>\n<td>Non-water-based only, and solvent pre-dilution is recommended before use<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Quand CHLUMIFE\u00ae 3166 est le meilleur premier pas<\/h2>\n<p>3166 should move first when the can-coating project is still balancing <strong>more than one surface KPI at once<\/strong>. Longchang\u2019s current product page is clear that this route is not only about one narrow defect. It highlights <strong>excellente sensation de sec<\/strong>, <strong>mouillabilit\u00e9 du substrat<\/strong>, <strong>rugosit\u00e9 de surface<\/strong>, <strong>r\u00e9sistance aux rayures<\/strong>, <strong>anti-blocage<\/strong>, <strong>leveling<\/strong>et <strong>am\u00e9lioration du brillant<\/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 team is not only chasing crater cleanup or only post-cure durability. It is often the better first route when the buyer wants one broader benchmark that helps answer whether the can coating still needs stronger wetting, smoother laydown, safer anti-blocking balance, and better surface feel together.<\/p>\n<ul>\n<li><strong>System fit:<\/strong> Syst\u00e8mes \u00e0 base d&#039;UV, de solvants et d&#039;eau<\/li>\n<li><strong>Principal atout :<\/strong> broader balance instead of one narrow function<\/li>\n<li><strong>Main caution:<\/strong> Longchang explicitly flags possible <strong>pinholes<\/strong>, <strong>whitening<\/strong>et un <strong>effet stabilisateur de mousse<\/strong>, so defoamer planning may still be needed during testing<\/li>\n<\/ul>\n<p>In short, 3166 is the cleaner first screen when the project needs a broad answer before the team narrows into a more specialized route.<\/p>\n<h2>Quand CHLUMIAG\u00ae 3467 est le meilleur premier pas<\/h2>\n<p>3467 deserves earlier review when the formulation window looks more <strong>compatibility-sensitive<\/strong> and the first question is whether a <strong>leveling and anti-cratering route<\/strong> can solve the surface problem without forcing the lab into a less tolerant package too early. Longchang supports 3467 as a <strong>polysiloxane modifi\u00e9 multicomposant<\/strong> and explicitly says the product <strong>priorise la compatibilit\u00e9 du syst\u00e8me<\/strong>.<\/p>\n<p>The current company page also supports multiple practical routes. For <strong>coating modification<\/strong>, it can be added directly or diluted with a suitable solvent. For <strong>polyurethane modification<\/strong>, it can be added with the polyol during prepolymerization or added later. Longchang\u2019s supported dosage windows are <strong>0,05% \u00e0 1%<\/strong> of the total formulation for solvent-based systems, <strong>0,5% \u00e0 5%<\/strong> of the resin amount for resin modification, and <strong>0,5% \u00e0 5%<\/strong> of the total formulation for water-based systems.<\/p>\n<ul>\n<li><strong>System fit:<\/strong> Syst\u00e8mes \u00e0 base d&#039;UV, de solvants et d&#039;eau<\/li>\n<li><strong>Principal atout :<\/strong> compatibility-first route with anti-cratering, leveling, and wetting support<\/li>\n<li><strong>Main caution:<\/strong> the product page says its <strong>feel is slightly less refined<\/strong>, so it should not be the automatic first choice when premium hand feel is the main target<\/li>\n<\/ul>\n<p>That makes 3467 a strong first screen when crater control, formulation tolerance, and practical addition flexibility matter more than a more feel-led route.<\/p>\n<h2>Quand CHLUMIFE\u00ae 3307X est le meilleur premier pas<\/h2>\n<p>3307X becomes more relevant when the can coating already lays down acceptably but the <strong>final cured film still marks, scratches, or abrades too easily<\/strong>. Longchang\u2019s product page is explicit that this route is designed to improve <strong>abrasion resistance and scratch resistance after film formation<\/strong>La m\u00eame page prend \u00e9galement en charge <strong>rugosit\u00e9 de surface<\/strong>, <strong>leveling<\/strong>et un <strong>recoatability-first<\/strong> position.<\/p>\n<p>That creates a meaningful buyer split. Some can-coating projects do not fail first on wet-stage flow. They fail later when the coated metal surface still needs stronger damage resistance while keeping later processing practical. Longchang supports a <strong>recommended dosage of 0.1% to 1.0%<\/strong> of total formulation and says the product should be <strong>diluted to 12.5% with solvent<\/strong> avant utilisation.<\/p>\n<ul>\n<li><strong>System fit:<\/strong> UV and solvent systems only<\/li>\n<li><strong>Principal atout :<\/strong> cured-film scratch and abrasion route with recoatability priority<\/li>\n<li><strong>Main caution:<\/strong> it is <strong>not a water-based route<\/strong>, and solvent pre-dilution should be built into the test plan<\/li>\n<\/ul>\n<p>So 3307X is the better first move when the buyer is judging <strong>the final film<\/strong>, not only the wet film.<\/p>\n<h2>Comment les acheteurs doivent choisir avant de demander des \u00e9chantillons<\/h2>\n<h3>1. Start with the real stage of failure<\/h3>\n<p>If the project still needs a broad answer across wetting, smoothness, blocking, and gloss, start with 3166. If the bigger risk is crater control and compatibility, move 3467 earlier. If the film looks acceptable at application but still fails under scratch or abrasion pressure, move 3307X up.<\/p>\n<h3>2. Keep system boundary visible<\/h3>\n<p>3166 and 3467 both sit inside Longchang\u2019s supported UV, solvent, and water-based windows. 3307X does not. That alone helps keep the first shortlist disciplined.<\/p>\n<h3>3. Do not treat overlap as interchangeability<\/h3>\n<p>All three routes touch appearance or surface performance. That does not make them interchangeable. The supported first-screen logic is different for each one.<\/p>\n<h3>4. Use the watchpoint, not only the headline benefit<\/h3>\n<p>3166 brings pinhole, whitening, and foam-stabilization risk. 3467 prioritizes compatibility but not the best feel. 3307X needs solvent pre-dilution and belongs in non-water-based screening. Those practical notes often decide the better first sample more than the product family name.<\/p>\n<h3>5. Keep the first round tight<\/h3>\n<p>For many can-coating teams, one <strong>broader surface-balance route<\/strong>, un <strong>compatibility-first anti-cratering route<\/strong>et un <strong>cured-film scratch route<\/strong> teach more than an overloaded first panel with too many partially overlapping additives.<\/p>\n<h2>Itin\u00e9raire recommand\u00e9 pour Longchang \u00e0 partir de cette page<\/h2>\n<ul>\n<li><strong>Aper\u00e7u du cluster\u00a0:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/chlumicryl-coating-ink-additives\/\">CHLUMICRYL\u00ae Additifs pour rev\u00eatements et encres<\/a><\/li>\n<li><strong>Related metal-coating application page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/coil-coating-additives\/\">Comment choisir les additifs de surface pour les rev\u00eatements de bobines<\/a><\/li>\n<li><strong>Related protective-coating page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/anti-corrosion-coating-additives\/\">Comment choisir les additifs pour les rev\u00eatements anticorrosion<\/a><\/li>\n<li><strong>Page de fonction associ\u00e9e\u00a0:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/leveling-additives-coatings-inks\/\">Comment choisir les additifs de nivellement pour les rev\u00eatements et les encres<\/a><\/li>\n<li><strong>Related durability page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/scratch-resistant-additives-coatings-inks\/\">Comment choisir des additifs anti-rayures pour les rev\u00eatements et les encres<\/a><\/li>\n<li><strong>3166 product page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumife-3166\/\">CHLUMIFE\u00ae 3166<\/a><\/li>\n<li><strong>3467 product page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumiag3467-silicone-leveling-agents\/\">CHLUMIAG\u00ae 3467<\/a><\/li>\n<li><strong>3307X product page:<\/strong> <a href=\"https:\/\/longchangchemical.com\/fr\/product\/chlumife3307x-organic-silicone-leveling-agent-scratch-resistant-leveling-agent\/\">CHLUMIFE\u00ae 3307X<\/a><\/li>\n<\/ul>\n<h2>FAQ<\/h2>\n<h3>Which additive should I screen first if the can coating problem is still broad?<\/h3>\n<p>Usually CHLUMIFE\u00ae 3166, because Longchang supports it as a broader surface-control route across wettability, smoothness, anti-blocking, scratch support, leveling, and gloss.<\/p>\n<h3>When should 3467 move ahead of 3166?<\/h3>\n<p>3467 should move ahead when compatibility and anti-cratering pressure matter more than a broader feel-led package, or when the project needs the practical option of direct coating modification or resin-modification use.<\/p>\n<h3>When should 3307X move ahead of the other two?<\/h3>\n<p>3307X should move ahead when the coating already lays down acceptably but the cured film still needs stronger scratch or abrasion resistance and recoatability remains important.<\/p>\n<h3>Are these three products interchangeable in can coatings?<\/h3>\n<p>No. Their supported system windows, first-screen logic, and risk notes are different enough that buyers should not treat them as drop-in substitutes.<\/p>\n<h2>Need a faster shortlist for can coatings?<\/h2>\n<p>If your can-coating project is stuck between <strong>broader surface balance<\/strong>, <strong>compatibility-first crater control<\/strong>et <strong>cured-film scratch resistance<\/strong>, define the real first-screen job before requesting samples. That usually shows much faster whether CHLUMIFE\u00ae 3166, CHLUMIAG\u00ae 3467, or CHLUMIFE\u00ae 3307X deserves the first round.<\/p>","protected":false},"excerpt":{"rendered":"<p>A practical CHLUMICRYL\u00ae buyer guide for can coatings that separates broad surface balance, compatibility-first crater control, and cured-film scratch plus recoat priorities into clearer first-screen routes.<\/p>","protected":false},"author":6,"featured_media":10652,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10651","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 Surface Additives for Can Coatings | CHLUMICRYL\u00ae<\/title>\n<meta name=\"description\" content=\"Choose 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