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

AAAA-5445 Hydroxy Acrylic Resin

AAAA-5445 Hydroxy Acrylic Resin is a high-performance hydroxyl-functional acrylic polymer from the AAAA Resin Series. Designed for two-component polyurethane coatings, it delivers excellent gloss retention, weather resistance, and compatibility with isocyanate crosslinkers. Ideal for automotive OEM and refinish applications requiring durability and smooth film formation.
  • aaaa 5445 hydroxy acrylic resin_f1387194
  • aaaa 5445 hydroxy acrylic resin_f1387194

Features Of AAAA-5445 Hydroxy Acrylic Resin

  1. High hydroxyl functionality for excellent crosslinking density with isocyanate or melamine curing agents.

  2. Outstanding weather resistance and UV stability, minimizing chalking and gloss loss in exterior coatings.

  3. Low solution viscosity enables high-solids formulation without sacrificing application performance.

  4. Superior compatibility with common polyester, epoxy, and acrylic resins for hybrid coating systems.

  5. Consistent batch-to-batch reproducibility ensured by strict GMP-controlled polymerization process.

Typical Applications Of AAAA-5445 Hydroxy Acrylic Resin

  1. Automotive OEM and refinish topcoats requiring high gloss and long-term durability.

  2. Industrial maintenance coatings for metal structures exposed to harsh environmental conditions.

  3. High-performance coil coatings on pre-painted steel and aluminum substrates.

  4. Premium architectural coatings for façades, windows, and cladding systems.

  5. Plastic coatings for automotive interior trim and electronic housings.

Specifications Of AAAA-5445 Hydroxy Acrylic Resin

Chemical TypeHydroxy-functional acrylic copolymer
Product FormLiquid resin in aromatic hydrocarbon solvent
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 (25°C, mPa·s)3,000–5,000 (Brookfield RV-DV2T, spindle #3, 20 rpm)
Density (25°C, g/cm³)0.94–0.97


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