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

Allnex MACRYNAL SM 6826w/43WA Hydroxy Acrylic Resin

Allnex MACRYNAL SM 6826w/43WA from Allnex's MACRYNAL series is a high-performance waterborne hydroxyl acrylic dispersion, designed for 2K PU coating systems. Compatible with water-emulsifiable polyisocyanates, it’s ideal for formulating high-quality primers, matte topcoats and clear coats, featuring low/zero VOC, high single-pass film thickness

  • allnex macrynal sm 6826w 43wa
  • allnex macrynal sm 6826w 43wa

Features Of Allnex MACRYNAL SM 685/55BAC Hydroxy Acrylic Resin

  1. Stable cross - linking & strong adhesion - Sufficient cross - linking with polyisocyanates, excellent adhesion to metal substrates, enhancing primer protection foundation and ensuring topcoat effect.

  2. Wide system compatibility - Suitable for solvent - borne/solvent - free systems, compatible with various curing agents and pigments, meeting different formulation needs and reducing development costs.

  3. High solid & low emission - High solid content design, VOC≤420g/L, meeting EMEA environmental standards, reducing solvent emission and construction/environmental risks.

  4. Efficient construction & easy operation - Good viscosity adaptability, sprayable/brushable, uniform film formation, suitable for mass production and small - batch customization, improving construction efficiency.

Typical Applications Of Allnex MACRYNAL SM 685/55BAC Hydroxy Acrylic Resin

  1. Industrial metal polyurethane primer: Steel, aluminum alloy and other substrates, enhancing adhesion and corrosion resistance, suitable for protective primers of construction machinery and hardware.

  2. High - end furniture protective primer: Metal accessories of wooden furniture, improving coating - substrate adhesion, meeting furniture surface decoration and protection needs.

  3. General machinery protective primer: Metal parts of motors, pumps and valves, oil - resistant and moisture - resistant, providing stable base for subsequent coatings.

  4. Hardware accessories decorative primer: Door and window hardware, bathroom accessories, improving coating uniformity and weather resistance, suitable for indoor and outdoor use scenarios.

Specifications Of Allnex MACRYNAL SM 685/55BAC Hydroxy Acrylic Resin

AppearancePale yellow transparent liquid
Solid Content55 ± 2 % (by weight)
Hydroxyl Content (on solids)3.8 ± 0.3 %
Solvent SystemBAC (specific mixed solvent)
Viscosity (23℃)600 - 900 mPa·s
Acid Value (on solids)≤ 3.0 mg KOH/g
Density (23℃)0.97 ± 0.02 kg/L
Flash Point (Setaflash)33 ℃
Glass Transition Temperature (Tg)32 ± 5 ℃
Drying Time (Tack-Free, 23℃, 50% RH)≤ 12 min


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