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

Allnex CRYLCOAT 1660-5 Polyester Resin

Allnex CRYLCOAT 1660-5 is a high-performance carboxyl-functional polyester resin designed for TGIC-free powder coatings. It delivers excellent flow, gloss retention, and mechanical durability with superior weather resistance. Ideal for outdoor architectural and industrial applications requiring ISO 20471 compliance and low-cure performance.
  • allnex crylcoat 1660 5 polyester resin_cab3fa46
  • allnex crylcoat 1660 5 polyester resin_cab3fa46

Features Of Allnex CRYLCOAT 1660-5 Polyester Resin

  1. High-gloss, excellent flow and leveling for smooth, defect-free cured films.

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

  3. Good chemical resistance to solvents, acids, and alkaline cleaners after curing.

  4. Optimized reactivity with TGIC-free curing agents for low-bake and sustainable powder coatings.

  5. Consistent batch-to-batch reproducibility supporting reliable industrial-scale production.

Typical Applications Of Allnex CRYLCOAT 1660-5 Polyester Resin

  1. Architectural aluminum extrusions for façades, windows, and curtain walls.

  2. Outdoor furniture and garden equipment requiring durable decorative finishes.

  3. Agricultural and construction machinery components exposed to harsh environments.

  4. Street lighting fixtures and traffic infrastructure elements.

Specifications Of Allnex CRYLCOAT 1660-5 Polyester Resin

Chemical TypeCarboxyl-functional saturated polyester
Product FormPale yellow to light amber solid granules
AppearanceFree-flowing, homogeneous granules
Acid Value (mg KOH/g)27–33
Gardner Color (meq/100 g)≤ 3
Melt Viscosity (Pa·s at 200 °C)3,500–5,500
Softening Point (°C, Ring & Ball)78–84
Primary ApplicationsTGIC-free and HAA-cured high-performance powder coatings


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