{"id":10275,"date":"2026-06-25T00:00:26","date_gmt":"2026-06-25T00:00:26","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=10275"},"modified":"2026-06-25T02:07:48","modified_gmt":"2026-06-25T02:07:48","slug":"floor-coatings-photoinitiator","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/id\/floor-coatings-photoinitiator\/","title":{"rendered":"Photoinitiator for UV Floor Coatings: How to Choose for Film Build, Pigment Load, and Cure Reliability"},"content":{"rendered":"<p><strong>Jawaban singkat:<\/strong> Buyers choosing a <strong>photoinitiator for UV floor coatings<\/strong> usually get a better first shortlist when they separate four different jobs: a <strong>direct floor-coatings benchmark for faster low to medium film build<\/strong>, a <strong>more balanced route for cure reliability and appearance control<\/strong>, a <strong>darker or thicker-film route that needs stronger cure-through<\/strong>, or a <strong>very thick high-pigment route that needs broader light response<\/strong>. Based on Longchang&#8217;s current product positioning, <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-184-cas-947-19-3\/\">Pemrakarsa foto 184<\/a> deserves the first look because its public application list directly includes <strong>wear-resistant floor coatings<\/strong>. <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-bms\/\">BMS inisiator foto<\/a> is the stronger balanced benchmark when the buyer wants low odor, minimal yellowing, and both surface cure and depth cure across broader industrial-coating conditions. <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-369-cas-119313-12-1\/\">Pemrakarsa foto 369<\/a> moves up when the floor coating is darker, more opaque, or harder to cure through. <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-784-cas-125051-32-3\/\">Pemrakarsa foto 784<\/a> becomes more relevant when the real problem is a very thick or highly pigmented floor-coating system rather than a routine benchmark route.<\/p>\n<p>That is the commercially useful split. UV floor coatings are rarely chosen by cure speed alone. Buyers usually have to screen <strong>film build, pigment burden, lamp or LED fit, surface dry, deeper cure confidence, and final appearance<\/strong> at the same time.<\/p>\n<h2>Why UV floor coatings need a tighter selection page<\/h2>\n<p>Floor coatings are not the same buying problem as a light clear varnish or a routine decorative coating. Even when the chemistry family is similar, the qualification pressure is usually different.<\/p>\n<ul>\n<li><strong>Film build is often more demanding:<\/strong> floor systems can be heavier than easy thin-film benchmarks.<\/li>\n<li><strong>Pigment and opacity can change the cure path quickly:<\/strong> gray, colored, or more opaque systems do not behave like clear coatings.<\/li>\n<li><strong>Surface and depth both matter:<\/strong> a floor coating that feels acceptable on top but remains weak deeper in the film is not a strong commercial answer.<\/li>\n<li><strong>Appearance still matters:<\/strong> yellowing pressure and visual cleanliness can still matter, especially in decorative or light-colored floor systems.<\/li>\n<li><strong>Line conditions vary:<\/strong> some buyers still run conventional UV, while others need UV-LED-capable logic much earlier in the screening process.<\/li>\n<\/ul>\n<p>General UV-coating selection guidance keeps reinforcing the same practical filters, wavelength match, film thickness, pigment load, and final film quality. That framing fits floor-coating buying behavior well enough to shape the structure of this page while keeping product facts anchored to Longchang&#8217;s public product pages.<\/p>\n<p>If the buyer still needs the broader coating-family hub first, start with <a href=\"https:\/\/longchangchemical.com\/id\/industrial-coatings-photoinitiator\/\">Photoinitiator for Industrial Coatings<\/a> dan <a href=\"https:\/\/longchangchemical.com\/id\/selection-of-photoinitiators-in-uv-coating-formulations\/\">Selection of Photoinitiators in UV Coating Formulations<\/a>.<\/p>\n<h2>Quick comparison table: 184 vs BMS vs 369 vs 784 for floor coatings<\/h2>\n<table>\n<thead>\n<tr>\n<th>Produk<\/th>\n<th>Cocok pertama terbaik<\/th>\n<th>Mengapa pembeli mempertimbangkannya<\/th>\n<th>Ketika bukan pilihan pertama<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-184-cas-947-19-3\/\">184<\/a><\/td>\n<td>Direct floor-coatings benchmark for faster low to medium film build and lighter or cleaner-looking systems<\/td>\n<td>Longchang directly lists wear-resistant floor coatings and highlights strong 365 nm absorption, rapid curing, low yellowing pressure, and suitability for low to medium-thickness coatings<\/td>\n<td>When the floor coating is too dark, too opaque, or too thick for a lighter benchmark to stay first in line<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-bms\/\">BMS<\/a><\/td>\n<td>Balanced floor-coating screening for cure reliability, appearance, and UV to LED flexibility<\/td>\n<td>Longchang directly lists industrial, wood, plastic, and metal coatings, and supports surface cure plus depth cure, low odor, minimal yellowing, and suitability for both mercury lamps and UV-LED light sources<\/td>\n<td>When the buyer already knows the floor system is a darker long-wave cure-through problem or a very thick high-pigment route<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-369-cas-119313-12-1\/\">369<\/a><\/td>\n<td>Darker, more opaque, or thicker floor coatings that need stronger long-wave cure-through<\/td>\n<td>Longchang directly lists industrial coatings, highlights strong 350 to 380 nm response, and positions 369 for thick film, deep coatings, and dark-color systems<\/td>\n<td>When the coating behaves like an easier low to medium-thickness floor benchmark and deeper penetration is not the real bottleneck<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-784-cas-125051-32-3\/\">784<\/a><\/td>\n<td>Very thick or highly pigmented floor coatings needing broader UV and visible-light response<\/td>\n<td>Longchang supports UV coatings, photobleaching behavior for transparent, white, and colored systems, compatibility with ultraviolet and visible light, and suitability for thick coatings plus black, red, and high-pigment systems<\/td>\n<td>When the buyer needs a simpler first benchmark instead of a specialist route for extreme film build or pigment load<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>When 184 is the better fit<\/h2>\n<p>184 deserves the first sample slot when the floor-coating job is still close to a <strong>direct benchmark problem<\/strong> rather than a heavy cure-through problem. Longchang&#8217;s current 184 page is unusually helpful here because it explicitly lists <strong>wear-resistant floor coatings<\/strong> among its application scenarios.<\/p>\n<ul>\n<li><strong>Direct floor-coatings evidence exists:<\/strong> Longchang names wear-resistant floor coatings on the current 184 page.<\/li>\n<li><strong>365 nm logic is clear:<\/strong> the page highlights very high absorption efficiency around <strong>365 nm<\/strong>.<\/li>\n<li><strong>Rapid cure is part of the public positioning:<\/strong> Longchang describes 184 as a fast route for low to medium-thickness coatings.<\/li>\n<li><strong>Appearance-sensitive systems benefit:<\/strong> the same page emphasizes quick decomposition and low yellowing pressure.<\/li>\n<li><strong>The broader coating fit is still useful:<\/strong> Longchang also ties 184 to furniture coatings, UV primers, plastic coatings, decorative metal panels, and paper varnishes.<\/li>\n<\/ul>\n<p>If the buyer needs the cleanest first benchmark for a wear-resistant UV floor-coating program, 184 is usually the strongest first review point in Longchang&#8217;s current public product set.<\/p>\n<h2>When BMS is the better fit<\/h2>\n<p>BMS moves up when the floor-coating buyer is not only trying to cure faster, but trying to hold together a better overall balance of <strong>surface cure, depth cure, appearance, odor, and process flexibility<\/strong>.<\/p>\n<ul>\n<li><strong>Broad coatings relevance is direct:<\/strong> Longchang explicitly lists industrial coatings, wood coatings, plastic coatings, and metal coatings.<\/li>\n<li><strong>Balanced cure logic is already supported:<\/strong> the page highlights both <strong>surface cure<\/strong> dan <strong>depth cure<\/strong> when used with an amine synergist.<\/li>\n<li><strong>Appearance-sensitive jobs benefit:<\/strong> Longchang also supports <strong>low odor<\/strong> dan <strong>minimal yellowing<\/strong>.<\/li>\n<li><strong>White and colored systems stay in scope:<\/strong> the page says BMS is effective in transparent systems, white systems containing titanium dioxide, and other colored systems.<\/li>\n<li><strong>Mixed lamp paths are easier to evaluate:<\/strong> Longchang positions BMS for both <strong>traditional mercury lamps<\/strong> dan <strong>UV-LED light sources<\/strong>.<\/li>\n<\/ul>\n<p>If the floor-coating line needs a more balanced industrial benchmark instead of a narrow direct-floor route, BMS often deserves earlier screening than 184.<\/p>\n<h2>When 369 is the better fit<\/h2>\n<p>369 becomes more important when the floor coating stops behaving like an easy benchmark and the real issue becomes <strong>deeper cure in a darker, more opaque, or thicker film<\/strong>.<\/p>\n<ul>\n<li><strong>Industrial-coating support is direct:<\/strong> Longchang lists industrial coatings including wood, plastic, and metal coatings.<\/li>\n<li><strong>Long-wave response is the main differentiator:<\/strong> the page highlights strong capture in the <strong>350 to 380 nm<\/strong> range.<\/li>\n<li><strong>Thick and deep coating language is already public:<\/strong> Longchang positions 369 for <strong>thick film<\/strong> dan <strong>deep coatings<\/strong>.<\/li>\n<li><strong>Dark-system fit is explicit:<\/strong> the same page says 369 is particularly suitable for <strong>dark color systems<\/strong>.<\/li>\n<\/ul>\n<p>If pigment shielding or deeper penetration becomes the real floor-coating bottleneck, 369 often deserves earlier attention than a faster but lighter benchmark route.<\/p>\n<h2>When 784 is the better fit<\/h2>\n<p>784 belongs in a different lane because it is strongest when the floor coating is really about <strong>very thick build, heavy pigment load, or a broader UV-to-visible-light curing window<\/strong>.<\/p>\n<ul>\n<li><strong>Thick-system support is direct:<\/strong> Longchang says 784 is very suitable for <strong>thick coatings<\/strong>.<\/li>\n<li><strong>High-pigment positioning is explicit:<\/strong> the page says it can cure <strong>black, red, and high-pigment coatings<\/strong>.<\/li>\n<li><strong>Appearance-sensitive use can still benefit:<\/strong> Longchang also highlights a <strong>photobleaching effect<\/strong>, which helps in transparent, white, and colored systems.<\/li>\n<li><strong>Broader light response matters commercially:<\/strong> the current page supports activation by both <strong>ultraviolet and visible light<\/strong> and notes compatibility with LED curing technologies.<\/li>\n<\/ul>\n<p>If the buyer is screening a more difficult floor-coating package with heavy color load or unusually demanding film build, 784 deserves earlier review than a routine all-purpose benchmark.<\/p>\n<h2>How buyers should choose before requesting samples<\/h2>\n<h3>1. Start with the real floor-coating build<\/h3>\n<p>Do not treat a lighter low to medium-thickness floor coating and a thicker pigmented floor coating as the same screening problem. They usually should not begin from the same first sample set.<\/p>\n<h3>2. Use 184 as the direct benchmark when the project is still straightforward<\/h3>\n<p>Because Longchang explicitly lists wear-resistant floor coatings on the 184 page, it is often the cleanest first reference point when the job has not yet become a dark or deep-cure problem.<\/p>\n<h3>3. Move to BMS when balance matters more than speed alone<\/h3>\n<p>If the floor coating needs stronger overall control across surface cure, depth cure, low odor, and UV-to-LED flexibility, BMS becomes commercially useful very quickly.<\/p>\n<h3>4. Move early when cure-through becomes the real risk<\/h3>\n<p>If the floor system is darker, more opaque, or thicker, do not wait too long to bring 369 or 784 into the shortlist. Those routes are more useful when the core problem is penetration, not only surface response.<\/p>\n<h3>5. Jaga agar putaran sampel pertama ketat<\/h3>\n<p>Most buyers get a cleaner answer by comparing two or three well-matched routes instead of screening a long generic list.<\/p>\n<h2>Recommended Longchang product and article paths<\/h2>\n<ul>\n<li><strong>Direct floor-coatings benchmark:<\/strong> <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-184-cas-947-19-3\/\">Pemrakarsa foto 184<\/a><\/li>\n<li><strong>Balanced industrial-coatings route:<\/strong> <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-bms\/\">BMS inisiator foto<\/a><\/li>\n<li><strong>Darker or deeper-curing route:<\/strong> <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-369-cas-119313-12-1\/\">Pemrakarsa foto 369<\/a><\/li>\n<li><strong>Very thick high-pigment route:<\/strong> <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-784-cas-125051-32-3\/\">Pemrakarsa foto 784<\/a><\/li>\n<li><strong>Related articles:<\/strong> <a href=\"https:\/\/longchangchemical.com\/id\/industrial-coatings-photoinitiator\/\">industrial coatings<\/a>, <a href=\"https:\/\/longchangchemical.com\/id\/wood-coatings-photoinitiator\/\">wood coatings<\/a>, <a href=\"https:\/\/longchangchemical.com\/id\/plastic-coatings-photoinitiator\/\">plastic coatings<\/a>, <a href=\"https:\/\/longchangchemical.com\/id\/metal-coatings-photoinitiator\/\">metal coatings<\/a>, and <a href=\"https:\/\/longchangchemical.com\/id\/selection-of-photoinitiators-in-uv-coating-formulations\/\">UV coating formulation guide<\/a><\/li>\n<\/ul>\n<h2>PERTANYAAN YANG SERING DIAJUKAN<\/h2>\n<h3>Which photoinitiator is the best starting point for UV floor coatings?<\/h3>\n<p>In Longchang&#8217;s current public product set, 184 is usually the best starting point when the buyer wants a direct floor-coatings benchmark because its application list explicitly includes wear-resistant floor coatings. BMS is stronger when a more balanced cure and appearance route is needed, while 369 and 784 rise when the system becomes darker, thicker, or more highly pigmented.<\/p>\n<h3>When should I choose BMS instead of 184 for a floor-coating project?<\/h3>\n<p>Choose BMS earlier when the project needs broader industrial-coatings flexibility, better balance across surface cure and depth cure, lower odor, minimal yellowing, and a route already positioned for both mercury-lamp and UV-LED curing.<\/p>\n<h3>When do 369 and 784 become more important in floor coatings?<\/h3>\n<p>They become more important when the floor coating is darker, more opaque, thicker, or more highly pigmented, because those conditions make deeper cure-through and broader light response more valuable than a simple fast benchmark.<\/p>\n<h3>Is 184 only useful for floor coatings?<\/h3>\n<p>No. Longchang also positions 184 for furniture coatings, UV primers, plastic coatings, decorative metal panels, inks, adhesives, and electronics-related uses. But for this page, its direct floor-coatings reference is why it deserves early attention.<\/p>\n<h2>Next step<\/h2>\n<p>If your UV floor-coating project is being slowed by uncertain cure-through, film-build pressure, darker color packages, or the move from conventional UV to UV LED, start by deciding whether the first qualification problem is <strong>a direct floor-coatings benchmark<\/strong>, <strong>a balanced cure-and-appearance route<\/strong>, or <strong>a deeper-curing thick-film route<\/strong>. Then compare <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-184-cas-947-19-3\/\">184<\/a>, <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-bms\/\">BMS<\/a>, <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-369-cas-119313-12-1\/\">369<\/a>, and <a href=\"https:\/\/longchangchemical.com\/id\/product\/photoinitiator-784-cas-125051-32-3\/\">784<\/a> against the real floor system instead of choosing by generic UV-coating wording alone.<\/p>","protected":false},"excerpt":{"rendered":"<p>A practical B2B guide to choosing a photoinitiator for UV floor coatings by comparing 184, BMS, 369, and 784 across film build, color load, light-source fit, and cure reliability.<\/p>","protected":false},"author":6,"featured_media":10276,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10275","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>Photoinitiator for UV Floor Coatings: 184 vs BMS vs 369 vs 784<\/title>\n<meta name=\"description\" content=\"Learn how to choose a photoinitiator for UV floor coatings by comparing 184, BMS, 369, and 784 for floor-coating film build, pigment load, appearance control, and UV to LED curing.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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