{"id":10542,"date":"2026-07-10T21:18:02","date_gmt":"2026-07-10T21:18:02","guid":{"rendered":"https:\/\/longchangchemical.com\/epoxy-floor-coating-additive-selection\/"},"modified":"2026-08-09T06:17:45","modified_gmt":"2026-08-09T06:17:45","slug":"epoxy-floor-coating-additive-selection","status":"publish","type":"post","link":"https:\/\/longchangchemical.com\/ko\/epoxy-floor-coating-additive-selection\/","title":{"rendered":"Epoxy Floor Coating Additives: Flow, Grind & Wear"},"content":{"rendered":"

Epoxy floor coating additives should be chosen by the failing stage: pigment grinding, wet-film surface control, or cured-film scratch\/recoat performance.<\/strong> CHLUMIFE\u00ae 3308 is the direct epoxy-floor surface route, CHLUMIFE\u00ae 3307X prioritizes scratch leveling with recoat awareness, and CHLUMICRYL\u00ae DP-D2641R is the documented solvent-free epoxy color-grind route.<\/p>\n

CHLUMIFE\u00ae 3166 is removed from the first screen. Its public page warns of pinholes, whitening and foam stabilization\u2014poor default risks for a continuous floor film that must cure, adhere and remain serviceable.<\/p>\n

Epoxy floor decision map<\/h2>\n
\n\n\n\n\n\n\n\n\n
Failure stage<\/th>\nEvidence to collect<\/th>\nFirst route<\/th>\n<\/tr>\n<\/thead>\n
High mill-base viscosity, slow fineness or color drift<\/td>\nPigment, grind viscosity, energy, fineness and storage<\/td>\nDP-D2641R<\/td>\n<\/tr>\n
Flow, craters, pinholes or surface smoothness<\/td>\nSubstrate, mixing air, wet film, pot life and cure<\/td>\n3308<\/td>\n<\/tr>\n
Cured scratch\/abrasion issue with repair-coat requirement<\/td>\nScratch mode, abrasion, gloss and recoat adhesion<\/td>\n3307X<\/td>\n<\/tr>\n
Blistering, delamination or soft cure<\/td>\nConcrete moisture, preparation, mix ratio and cure<\/td>\nFix root cause before surface additive<\/td>\n<\/tr>\n<\/tbody>\n<\/table>
Original epoxy-floor map: separate pigment dispersion, liquid-film surface control and cured-film performance.<\/figcaption><\/figure>\n\n\n\n\n\n\n\n
\uc81c\ud488<\/th>\nPublished fit<\/th>\nSupplier guidance<\/th>\nCritical boundary<\/th>\n<\/tr>\n<\/thead>\n
\ud074\ub8e8\ubbf8\ud398\u00ae 3308<\/strong><\/a><\/td>\nEpoxy floors; solvent and solvent-free 2K systems; leveling, wetting, smoothness and scratch<\/td>\n0.1\u20131%; neat or alkane\/aromatic pre-dilution<\/td>\nNot waterborne; compatibility and recoat must pass<\/td>\n<\/tr>\n
\ud074\ub8e8\ubbf8\ud398\u00ae 3307X<\/strong><\/a><\/td>\nSolvent\/UV scratch-resistant leveling with recoat priority<\/td>\nDilute to 12.5% using stated xylene\/ethylene glycol monophenyl ether 7\/2; 0.1\u20131%<\/td>\nNot waterborne; do not mix; recoat still requires testing<\/td>\n<\/tr>\n
\ud074\ub85c\ubbf8\ud06c\ub9b4\u00ae DP-D2641R<\/strong><\/a><\/td>\nSolvent systems and solvent-free epoxy-floor compound color grinding<\/td>\n45% active; grind-stage addition; supplier pigment-class dosage table<\/td>\nConfirm dosage basis; low-temperature separation requires heat\/mix and inspection<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Control concrete and cure before additives<\/h2>\n

Record concrete strength, age, moisture, vapor pressure, surface profile, contamination, repairs, primer, ambient and slab temperature, dew point, component temperatures, mix ratio, induction, pot life, wet film and cure. Surface additives cannot correct hydrostatic pressure, weak laitance, oil contamination or incorrect hardener ratio.<\/p>\n

Use production-representative concrete and the complete primer\/bodycoat\/topcoat stack. Laboratory metal or glass panels can screen appearance, but they do not prove adhesion to concrete.<\/p>\n

Use 3308 for a defined surface-control need<\/h2>\n

3308 is explicitly positioned for epoxy floor coatings and solvent-based or solvent-free two-component systems. Its page supports leveling, substrate wetting, pinhole prevention, smoothness, gloss, scratch resistance and defoaming assistance.<\/p>\n

Those are trial hypotheses, not guaranteed outcomes. Run a blank plus low-to-high ladder and record entrained air, craters, flow, gloss, cure, slip, abrasion, scratch, chemical resistance and repair-coat adhesion. Do not apply it to a waterborne floor without product-specific approval.<\/p>\n

Use 3307X when recoat remains important<\/h2>\n

3307X is intended to improve abrasion and scratch performance after film formation while prioritizing recoatability. Follow the unusual supplier dilution instruction exactly and include solvent contribution in VOC, flash, compatibility and application checks.<\/p>\n

Prioritizing recoat does not guarantee repair adhesion. Test the real recoat window after contamination, cleaning and abrasion procedures that will be used on site.<\/p>\n

Use DP-D2641R in the pigment grind<\/h2>\n

DP-D2641R directly documents solvent-free epoxy-floor compound color paint, fast fineness reduction, viscosity reduction, color phase and storage stability. It also covers high-pigment carbon black, organic pigments and matte powder in solvent systems.<\/p>\n

Add it to the grind vehicle before pigment. The public dosage table lists ranges for inorganic, organic and carbon-black pigments but does not clearly label the calculation basis; obtain the current TDS before converting the figures into a batch sheet.<\/p>\n

Why 3166 is not the floor default<\/h2>\n

3166 may improve feel and some surface properties, but its page warns that it can cause pinholes or whitening and may stabilize foam. Those warnings conflict with a first-pass epoxy floor shortlist. It should not replace a documented epoxy-specific route or a root-cause investigation.<\/p>\n

Qualify wear, adhesion and chemical exposure<\/h2>\n

ASTM D4060<\/a> evaluates abrasion on a plane rigid specimen and requires controlled wheel, load, resurfacing and film construction; relate the ranking cautiously to a real floor. ASTM D7234<\/a> measures pull-off adhesion of coatings on concrete and reports the failure plane. ASTM D1308<\/a> compares effects such as discoloration, gloss change, blistering, softening or adhesion loss after household-chemical exposure.<\/p>\n

Also record cure age, film thickness, wheel\/load\/cycles, mass and thickness loss, gloss, scratch mode, traction, chemical concentrations\/dwell, water, hot-tire pickup, impact and repair adhesion. A single abrasion number is not a floor-service specification.<\/p>\n

Run one-variable trials<\/h2>\n
    \n
  1. Fix resin, hardener, fillers, pigment, mix ratio and temperature.<\/li>\n
  2. Prepare a blank and one compact ladder for one product.<\/li>\n
  3. Measure grind separately from wet-film air and cured-film wear.<\/li>\n
  4. Condition all panels for the same cure time and environment.<\/li>\n
  5. Advance only candidates that pass adhesion, traction, chemical and repair gates.<\/li>\n<\/ol>\n

    Evaluate traction in the service condition, including dry, wet, contaminated and cleaned states where applicable. A lower-friction surface can feel smooth and resist visible scratching yet create an unacceptable safety result. Fix the test method, footwear or slider, contaminant, temperature and acceptance limit before comparing additives.<\/p>\n

    Request an epoxy-floor shortlist<\/h2>\n

    Send the epoxy\/hardener, solvent-free or solvent system, pigments\/fillers, grind equipment, concrete preparation, primer\/topcoat stack, film build, application temperature, recoat plan, and flow, pinhole, cure, traction, abrasion, scratch, chemical and adhesion requirements. Ask Longchang Chemical to compare 3308, 3307X or DP-D2641R<\/strong><\/a>.<\/p>","protected":false},"excerpt":{"rendered":"

    CHLUMIFE\u00ae 3308, CHLUMIFE\u00ae 3166, CHLUMIFE\u00ae 3307X\uc758 \ud3c9\ud65c\ub3c4, \ud45c\uba74 \uac10\ucd09, \uae01\ud798 \ubc29\uc9c0, \uc18c\ud3ec \ud6a8\uacfc, \uc7ac\ub3c4\uc7a5 \uac00\ub2a5\uc131\uc744 \ube44\uad50\ud558\ub294 \uc5d0\ud3ed\uc2dc \ubc14\ub2e5 \ucf54\ud305 \uc2dc\uacf5\ud300\uc744 \uc704\ud55c \uc2e4\uc6a9\uc801\uc778 B2B \uc120\ud0dd \uac00\uc774\ub4dc\uc785\ub2c8\ub2e4.<\/p>","protected":false},"author":6,"featured_media":10541,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"gallery","meta":{"footnotes":""},"categories":[168],"tags":[],"class_list":["post-10542","post","type-post","status-publish","format-gallery","has-post-thumbnail","hentry","category-water-treatment","post_format-post-format-gallery"],"yoast_head":"\nEpoxy Floor Coating Additives: Flow, Grind & Wear<\/title>\n<meta name=\"description\" content=\"Choose epoxy floor coating additives for surface flow, recoat-aware scratch control or pigment grinding. 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