Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

AAllnex MACRYNAL SM 666/50BACX Hydroxy Acrylic Resin

Allnex MACRYNAL SM 666/50BACX is a premium solvent-borne hydroxyl acrylic resin under the MACRYNAL series, designed for fast-drying 2K PU coating systems. It cross-links efficiently with polyisocyanates, ideal for formulating high-quality PU primers, furniture paints and industrial coatings. Featuring excellent substrate adhesion and application adaptability with VOC < 420g/L

  • aallnex macrynal sm 666 50bacx
  • aallnex macrynal sm 666 50bacx

Features Of AAllnex MACRYNAL SM 666/50BACX Hydroxy Acrylic Resin

  1. Fast drying & high efficiency - Excellent drying speed shortens construction cycle, improving mass production efficiency

  2. Stable cross-linking - Sufficient cross-linking with polyisocyanates forms dense coating with superior protection

  3. Wide system compatibility - Suitable for various solvent-borne formulations, good compatibility with pigments and additives

  4. Strong adhesion - Excellent adhesion to metal, wood and other substrates, ensuring long-term coating stability


Typical Applications Of AAllnex MACRYNAL SM 666/50BACX Hydroxy Acrylic Resin

  1. Industrial metal PU primer: Protection for steel and aluminum substrates, providing stable base for topcoat

  2. High-end furniture decorative topcoat: Coating for solid wood and metal furniture, balancing beauty and scratch resistance

  3. General industrial equipment coating: Metal enclosures of motors and pumps, suitable for complex working conditions

  4. Hardware accessories protective paint: Door and window hardware, mechanical parts, improving corrosion resistance

Specifications Of AAllnex MACRYNAL SM 666/50BACX Hydroxy Acrylic Resin

AppearancePale yellow transparent liquid
Solid Content50 ± 2 % (by weight)
Hydroxyl Content (on solids)3.7 ± 0.3 %
Solvent SystemBAC mixed solvent
Viscosity (23℃)500 - 800 mPa·s
Acid Value (on solids)≤ 3.0 mg KOH/g
Density (23℃)0.96 ± 0.02 kg/L
Flash Point (Setaflash)31 ℃
Glass Transition Temperature (Tg)28 ± 5 ℃
Drying Time (Tack-Free, 23℃, 50% RH)≤ 8 min


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