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

Allnex CRYLCOAT 4688-2 Polyester Resin

Allnex CRYLCOAT 4688-2 is a high-flow, low-cure-temperature polyester resin for premium powder coatings. Designed for excellent gloss retention, mechanical durability and weather resistance, it enables efficient curing at 150°C/20 min. Ideal for architectural and industrial applications requiring ISO-certified performance and consistent film formation.
  • allnex crylcoat 4688 2 polyester resin_f2785833
  • allnex crylcoat 4688 2 polyester resin_f2785833

Features Of Allnex CRYLCOAT 4688-2 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. Excellent chemical resistance to solvents, cleaning agents, and mild acids.

  4. Good compatibility with standard TGIC and hydroxyalkylamide (HAA) curing agents.

  5. Consistent batch-to-batch reproducibility and low volatile organic content (VOC).

Typical Applications Of Allnex CRYLCOAT 4688-2 Polyester Resin

  1. Architectural aluminum extrusions for façades and curtain walls.

  2. Automotive exterior trim and non-structural components.

  3. Outdoor furniture and garden equipment coatings.

  4. Industrial metal enclosures and electrical housings.

  5. General-purpose coil and powder coating systems requiring durability and gloss retention.

Specifications Of Allnex CRYLCOAT 4688-2 Polyester Resin

Chemical TypeCarboxyl-functional saturated polyester
Product FormFree-flowing white to off-white granular solid
AppearanceGranular, free of lumps and foreign particles
Acid Value (mg KOH/g)27–33
Gardner Color≤ 2
Melt Viscosity (180 °C, Pa·s)25–40
Softening Point (°C, Ring & Ball)78–84
Primary ApplicationsPowder coatings for architectural and industrial metal substrates


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