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

AC3170 Hydroxyl Acrylic Resin

AC3170 Hydroxyl Acrylic Resin is a high-performance, low-viscosity hydroxyl-functional acrylic polymer from the AC Series by Allnex—designed for 2K PU coatings requiring excellent gloss, weather resistance, and compatibility with isocyanates. It enables fast cure, superior hardness, and outstanding substrate adhesion in automotive and industrial topcoats.
  • ac3170 hydroxyl acrylic resin_f6782f30
  • ac3170 hydroxyl acrylic resin_f6782f30

Features Of AC3170 Hydroxyl Acrylic Resin

  1. High hydroxyl functionality for robust crosslinking with melamine and polyisocyanate curing agents.

  2. Excellent compatibility with common solvent-based coating systems and nitrocellulose blends.

  3. Superior UV resistance and long-term gloss retention in exterior architectural and automotive topcoats.

  4. Low volatile organic compound (VOC) profile, supporting compliance with stringent environmental regulations.

  5. Consistent batch-to-batch reproducibility and narrow molecular weight distribution for predictable film formation.

Typical Applications Of AC3170 Hydroxyl Acrylic Resin

  1. Automotive OEM and refinish clearcoats and basecoats.

  2. High-performance industrial maintenance coatings for metal substrates.

  3. Architectural premium exterior wall and façade coatings.

  4. Plastic coatings for automotive interior trim and consumer electronics housings.

  5. Two-component polyurethane wood finishes for furniture and flooring.

Specifications Of AC3170 Hydroxyl Acrylic Resin

Chemical TypeHydroxyl-functional acrylic copolymer
Product FormLiquid solution in aromatic hydrocarbon solvents
AppearanceClear, colorless to pale yellow liquid
Hydroxyl Value (mg KOH/g)65–75
Acid Value (mg KOH/g)< 5
Non-Volatile Content (% w/w)55 ± 2
Viscosity (mPa·s, 25°C, #4 spindle, 20 rpm)4,000–6,000
Primary Applications2K PU and melamine-cured high-gloss coatings


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