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

Allnex CRYLCOAT 1721-1 Polyester Resin

Allnex CRYLCOAT 1721-1 is a high-flow, low-cure-temperature polyester resin for powder coatings. Designed for excellent gloss retention, mechanical durability, and weather resistance, it enables efficient curing at 150°C/15 min. Ideal for indoor/outdoor architectural and appliance finishes, this resin delivers consistent flow, smooth appearance, and strong TGIC-free crosslinking performance in the CRYLCOAT® polyester series.
  • allnex crylcoat 1721 1 polyester resin_5d3e6969
  • allnex crylcoat 1721 1 polyester resin_5d3e6969

Features Of Allnex CRYLCOAT 1721-1 Polyester Resin

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

  2. Optimized for low-cure temperature powder coating systems (160–180 °C).

  3. Outstanding weather resistance and UV stability for outdoor applications.

  4. Good mechanical properties including impact resistance and flexibility.

  5. Compatible with standard TGIC and TGIC-free curing agents for broad formulation flexibility.

Typical Applications Of Allnex CRYLCOAT 1721-1 Polyester Resin

  1. Architectural aluminum extrusions for façades and window frames.

  2. Outdoor furniture and garden equipment coatings.

  3. Agricultural and construction machinery components.

  4. Street lighting fixtures and traffic infrastructure elements.

  5. Consumer appliances requiring high aesthetic and durability performance.

Specifications Of Allnex CRYLCOAT 1721-1 Polyester Resin

Chemical TypeCarboxyl-functional saturated polyester
Product FormFree-flowing white to off-white granules
AppearanceHomogeneous granular solid
Acid Value (mg KOH/g)34–38
Melt Viscosity (Pa·s at 200 °C)3,500–4,500
Glass Transition Temperature (°C)68–72
Primary ApplicationsExterior-grade thermosetting powder coatings
Key FeaturesLow-cure capability, high gloss retention, UV resistance


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