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

Allnex CRYLCOAT 2684-4 Polyester Resin

Allnex CRYLCOAT 2684-4 is a high-flow, low-cure-temperature polyester resin for powder coatings, offering excellent gloss retention, mechanical resistance, and smooth film formation. Designed for indoor architectural and general industrial applications, it enables energy-efficient curing at 150°C/15 min while maintaining superior TG and chemical durability.
  • allnex crylcoat 2684 4 polyester resin_490468b4
  • allnex crylcoat 2684 4 polyester resin_490468b4

Features Of Allnex CRYLCOAT 2684-4 Polyester Resin

  1. High-gloss, durable finish with excellent flow and leveling characteristics.

  2. Optimized for low-cure temperature applications (160–180 °C), reducing energy consumption.

  3. Superior resistance to yellowing and UV degradation in outdoor exposure conditions.

  4. Excellent compatibility with standard triglycidyl isocyanurate (TGIC) and hydroxyalkyl amide (HAA) curing agents.

  5. Consistent batch-to-batch performance and broad formulation flexibility for powder coatings.

Typical Applications Of Allnex CRYLCOAT 2684-4 Polyester Resin

  1. Architectural aluminum extrusions for façades and window frames.

  2. Outdoor furniture and garden equipment requiring weather-resistant finishes.

  3. Agricultural and construction machinery components.

  4. Light industrial equipment housings and enclosures.

  5. Automotive non-critical exterior trim parts.

Specifications Of Allnex CRYLCOAT 2684-4 Polyester Resin

Chemical TypeCarboxyl-functional saturated polyester resin
Product FormFree-flowing granular solid
AppearanceOff-white to pale yellow granules
Acid Value (mg KOH/g)27–31
Softening Point (°C, Ring & Ball)75–82
Melt Viscosity (Pa·s at 200 °C)3.5–5.5
Gel Time (sec at 200 °C, with 5% TGIC)80–120
Primary ApplicationsExterior-grade thermosetting powder coatings


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