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

Allnex SETALUX 1921 BA-78 Hydroxyl Acrylic Resin

Allnex SETALUX 1921 BA-78 is a hydroxyl-functional acrylic resin designed for high-performance two-component polyurethane coatings. It offers excellent gloss retention, weather resistance, and compatibility with isocyanate crosslinkers. Ideal for automotive refinish and industrial topcoats requiring durability, clarity, and fast cure response. Part of Allnex’s SETALUX premium acrylic resin series.
  • allnex setalux 1921 ba 78 hydroxyl acrylic resin_83fbca7d
  • allnex setalux 1921 ba 78 hydroxyl acrylic resin_83fbca7d

Features Of Allnex SETALUX 1921 BA-78 Hydroxyl Acrylic Resin

  1. High hydroxyl functionality for excellent crosslink density with melamine and polyisocyanate curing agents.

  2. Optimized molecular weight distribution for superior film formation, gloss, and mechanical durability.

  3. Low volatile organic compound (VOC) content, supporting compliance with stringent environmental regulations.

  4. Excellent compatibility with common solvent-based and high-solids coating systems.

  5. Consistent batch-to-batch reproducibility ensuring reliable performance in industrial production.

Typical Applications Of Allnex SETALUX 1921 BA-78 Hydroxyl Acrylic Resin

  1. Automotive OEM topcoats and clearcoats.

  2. Industrial maintenance coatings for metal substrates.

  3. General-purpose coil coatings requiring high weatherability and hardness.

  4. High-performance wood and plastic finishes for furniture and electronics enclosures.

Specifications Of Allnex SETALUX 1921 BA-78 Hydroxyl Acrylic Resin

Chemical TypeHydroxyl-functional acrylic copolymer
Product FormLiquid resin solution
AppearanceClear, pale yellow to amber liquid
Solvent SystemXylene / butyl acetate blend
Hydroxyl Value (mg KOH/g)65–75
Non-Volatile Content (% w/w)55–60
Acid Value (mg KOH/g)< 5
Viscosity (25°C, mPa·s)800–1,200


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