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

Allnex CRYLCOAT 4642-3 Polyester Resin

Allnex CRYLCOAT 4642-3 is a high-performance carboxyl-functional polyester resin designed for premium powder coating applications. It delivers excellent flow, leveling, and mechanical properties with superior TGIC-free cure response. Ideal for architectural and industrial coatings requiring durability, gloss retention, and weather resistance.
  • allnex crylcoat 4642 3 polyester resin_3fa3ac2f
  • allnex crylcoat 4642 3 polyester resin_3fa3ac2f

Features Of Allnex CRYLCOAT 4642-3 Polyester Resin

  1. High-gloss, excellent flow and leveling for premium surface aesthetics.

  2. Outstanding weather resistance and UV stability for long-term outdoor performance.

  3. Good chemical resistance to solvents, cleaning agents, and mild acids.

  4. Optimized reactivity for efficient curing with TGIC-free crosslinkers.

  5. Low viscosity enabling high-solids formulations and improved application efficiency.

Typical Applications Of Allnex CRYLCOAT 4642-3 Polyester Resin

  1. Architectural aluminum extrusions (e.g., window frames, curtain walls).

  2. Automotive exterior trim and non-structural components.

  3. Outdoor furniture and garden equipment coatings.

  4. General industrial metal finishing requiring durable decorative finishes.

  5. Coil coating topcoats for pre-painted metal substrates.

Specifications Of Allnex CRYLCOAT 4642-3 Polyester Resin

Chemical TypeCarboxyl-functional saturated polyester
Product FormPowder (free-flowing granules)
AppearanceWhite to off-white free-flowing powder
Acid Value (mg KOH/g)28–32
Number Average Molecular Weight (Mn)~2,800–3,200 g/mol
Tg (DSC, °C)68–72
Primary ApplicationsHigh-performance TGIC-free and HAA-based powder coatings
Key FeaturesWeather durability, gloss retention, smooth film formation


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