{"id":10520,"date":"2026-07-10T00:00:32","date_gmt":"2026-07-10T00:00:32","guid":{"rendered":"https:\/\/longchangchemical.com\/?p=10520"},"modified":"2026-08-09T10:48:29","modified_gmt":"2026-08-09T10:48:29","slug":"3252-vs-3367-vs-5005-60","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/id\/3252-vs-3367-vs-5005-60\/","title":{"rendered":"3252 vs 3367 vs 5005-60: System &#038; Reaction Guide"},"content":{"rendered":"<p><strong>3252 vs 3367 vs 5005-60 must be decided by system and reaction evidence before feel or anti-graffiti claims.<\/strong> The 3252\/3253\/3254\/3255 family is a UV\/solvent-free, non-water route. 3367 spans UV, solvent and water systems and is positioned for polyurethane modification. 5005-60 is a water-only, 50\u201360%-active pre-emulsion.<\/p>\n<p>All three pages use reactive-hydroxyl language, but none publishes a hydroxyl value or equivalent weight. Do not calculate NCO\/OH or other crosslinker demand from marketing descriptions.<\/p>\n<h2>System-and-reaction decision map<\/h2>\n<figure>\n<table>\n<thead>\n<tr>\n<th>Formulation route<\/th>\n<th>First candidate<\/th>\n<th>Mandatory evidence<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>UV or solvent-free system; water is excluded<\/td>\n<td>keluarga 3252<\/td>\n<td>Variant identity, OH\/equivalent data, clarity and solvent-incorporation fit<\/td>\n<\/tr>\n<tr>\n<td>PU modification or broad UV\/solvent\/water compatibility<\/td>\n<td>3367<\/td>\n<td>Actual reaction role, OH data and NCO\/OH impact<\/td>\n<\/tr>\n<tr>\n<td>Water-only resin needs hand feel\/anti-graffiti route<\/td>\n<td>5005-60<\/td>\n<td>50\u201360% active correction, cure contribution and storage stability<\/td>\n<\/tr>\n<tr>\n<td>Transparent coating cannot tolerate haze<\/td>\n<td>Blank plus compatibility screen<\/td>\n<td>Do not approve 3252 family before clarity testing<\/td>\n<\/tr>\n<\/tbody>\n<\/table><figcaption>Original 3252\/3367\/5005-60 map: system fit comes first; quantitative reaction data come before cure claims.<\/figcaption><\/figure>\n<table>\n<thead>\n<tr>\n<th>Rute<\/th>\n<th>Published system\/data<\/th>\n<th>Dosage\/incorporation<\/th>\n<th>Evidence gap<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiag3252-3253-3254-3255\/\"><strong>keluarga 3252<\/strong><\/a><\/td>\n<td>Carbon-hydroxyl modified polysiloxane; UV\/solvent-free; not waterborne<\/td>\n<td>0.1\u20131.0% total; suitable-solvent predilution; benzene\/mineral-oil solvents listed<\/td>\n<td>No public active %, OH value or variant-by-variant selection table; acrylic-turbidity warning<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiag-3367\/\"><strong>3367<\/strong><\/a><\/td>\n<td>100% active; UV\/solvent\/water; hydroxyl\u2013NCO reaction claimed<\/td>\n<td>Solvent 0.05\u20131%; resin modification 0.5\u20135% on resin; water 0.5\u20135% total<\/td>\n<td>No public OH value\/equivalent; three dose bases must not be mixed<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/longchangchemical.com\/id\/product\/chlumiag5005-60-organic-silicone-hand-feel-agent\/\"><strong>5005-60<\/strong><\/a><\/td>\n<td>Water-only polysiloxane pre-emulsion; 50\u201360% active; six-month shelf life<\/td>\n<td>1\u20133% total; any-stage or post-addition<\/td>\n<td>Qualitative OH claim with no OH value\/equivalent<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Start with the non-negotiable system boundary<\/h2>\n<p>Do not put 5005-60 into a solvent or UV shortlist; its page marks both unavailable. Do not put the 3252 family into a waterborne shortlist. 3367 has the broadest system checkmarks, but that does not make its dose or reaction demand universal.<\/p>\n<p>Record resin chemistry, solvents\/water, solids, crosslinker, target cure, film clarity and downstream operations before ranking surface effects.<\/p>\n<h2>Use the 3252 family only after variant clarification<\/h2>\n<p>The shared page groups 3252, 3253, 3254 and 3255 under one description and one 0.1\u20131.0% range. It does not publish how the four variants differ, their active contents or hydroxyl values. Request variant-specific TDS\/CoA data before choosing among them.<\/p>\n<p>The page warns that the family may cause turbidity in acrylic resins, especially transparent systems. Compare clarity, haze, color and storage, and confirm how a product labeled for solvent-free systems should be incorporated when solvent predilution is also instructed.<\/p>\n<h2>Use 3367 with the correct dosage basis<\/h2>\n<p>3367 is 100% active and described as reacting with isocyanate in polyurethane. Its page presents three different routes: 0.05\u20131% of total formula for solvent coatings, 0.5\u20135% on resin for resin modification and 0.5\u20135% of total formula for waterborne use.<\/p>\n<p>Choose the intended route before calculating addition. Obtain quantitative OH data and include the additive in the NCO\/OH balance when it is used reactively. Then recheck pot life, cure, hardness and chemical resistance.<\/p>\n<h2>Correct 5005-60 for active content<\/h2>\n<p>5005-60 is a gray-to-milky waterborne pre-emulsion with 50\u201360% active content and a 1\u20133% total-formula range. Equal supplied-product dose does not equal the active silicone delivered by 100%-active 3367.<\/p>\n<p>Its page claims reactive OH functionality but gives no OH value. Treat durable fixation as unquantified until current data and cure testing support it. Check freeze\/heat storage and emulsion compatibility across the six-month shelf-life window.<\/p>\n<h2>Run a reaction-aware trial<\/h2>\n<ol>\n<li>Prepare a blank and compact ladder using the correct system-specific dose basis.<\/li>\n<li>Report supplied-product and active addition separately.<\/li>\n<li>Hold crosslinker equivalents, solids, solvent\/water and addition order.<\/li>\n<li>Track pot life, viscosity, clarity, leveling, craters, gloss and foam.<\/li>\n<li>Cure at low\/target\/high process conditions and repeat after storage.<\/li>\n<\/ol>\n<h2>Measure cure and surface durability separately<\/h2>\n<p><a href=\"https:\/\/store.astm.org\/d5402-19r24.html\">ASTM D5402<\/a> provides a solvent-rub comparison for coatings that chemically change during cure, but does not alone prove full cure. <a href=\"https:\/\/store.astm.org\/d4060-25.html\">ASTM D4060<\/a> measures abrasion resistance of organic coatings on plane rigid surfaces.<\/p>\n<p>Pair these with adhesion, hardness, gloss\/haze, color, scratch, blocking, chemical\/water resistance and recoat. A smoother film that changes stoichiometry, shortens pot life or clouds a clear resin does not pass.<\/p>\n<h2>Common comparison errors<\/h2>\n<h3>Treating \u201creactive\u201d as quantitative data<\/h3>\n<p>A qualitative hydroxyl statement does not provide equivalents. Obtain OH value, active content and the supplier\u2019s intended reaction route before crosslinker calculation.<\/p>\n<h3>Comparing equal product percentages<\/h3>\n<p>3367 is 100% active and 5005-60 is 50\u201360% active; the 3252 page does not publish an active percentage. Report both product and active levels.<\/p>\n<h3>Assuming the four 3252 variants are identical<\/h3>\n<p>A shared page is not a variant-selection table. Confirm composition, viscosity, functionality, system fit and optical risk for the exact product supplied.<\/p>\n<h3>Ignoring addition-route solvents<\/h3>\n<p>Keep any predilution solvent visible in solids, VOC, cure and compatibility comparisons. A solvent contribution can falsely improve leveling or viscosity.<\/p>\n<h2>Request quantitative reaction data<\/h2>\n<p>Send system type, resin OH\/acid functionality, crosslinker and target index, solids, water\/solvent, cure, current additives, clarity, feel, release\/anti-graffiti and durability requirements. <a href=\"https:\/\/longchangchemical.com\/id\/#contact-section\"><strong>Ask Longchang Chemical for variant-specific 3252-family data and OH\/equivalent guidance for all three routes<\/strong><\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Compare the CHLUMIAG\u00ae 3252 family, CHLUMIAG\u00ae 3367, and CHLUMIAG\u00ae 5005-60 for reactive surface-additive selection in high-solids, solvent-free, PU, and water-based coating systems.<\/p>","protected":false},"author":6,"featured_media":10521,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-10520","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>3252 vs 3367 vs 5005-60: System &amp; 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