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

Nengda AC3665 Hydroxyl Acrylic Resin

Nengda AC3665 is a high-solids hydroxyl acrylic resin from the Nengda AC Series, designed for premium automotive and industrial coatings. It delivers excellent gloss retention, UV resistance, and compatibility with melamine crosslinkers. Low viscosity ensures easy formulation, while its balanced hydroxyl value (65–75 mg KOH/g) supports optimal cure performance and film hardness. Widely used in 2K polyurethane and baking enamel systems.
  • nengda ac3665 hydroxyl acrylic resin_2fb5400f
  • nengda ac3665 hydroxyl acrylic resin_2fb5400f

Features Of Nengda AC3665 Hydroxyl Acrylic Resin

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

  2. Outstanding weather resistance and UV stability, suitable for long-term outdoor exposure.

  3. Low viscosity at high solids content, enabling high-solids formulation with improved VOC reduction.

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

  5. Consistent batch-to-batch performance and narrow molecular weight distribution for reliable film formation.

Typical Applications Of Nengda AC3665 Hydroxyl Acrylic Resin

  1. Automotive OEM and refinish topcoats requiring high gloss and durability.

  2. Industrial maintenance coatings for metal structures and equipment.

  3. Architectural coatings including premium exterior wall and façade finishes.

  4. Plastic coatings for automotive interior and exterior trim components.

  5. Can coatings for beverage and food containers requiring FDA-compliant formulations.

Specifications Of Nengda AC3665 Hydroxyl Acrylic Resin

Chemical TypeHydroxyl-functional acrylic copolymer
Product FormLiquid resin solution
AppearanceClear to slightly hazy, pale yellow liquid
Solids Content (wt%)55 ± 2%
Hydroxyl Value (mg KOH/g)75–85
Acid Value (mg KOH/g)< 10
Viscosity (Brookfield, 25°C, sp4, 20 rpm)4,000–6,000 cP
Primary SolventXylene / butyl acetate blend


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