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

Allnex CRYLCOAT 2478-1 Polyester Resin

Allnex CRYLCOAT 2478-1 is a high-performance carboxyl-functional polyester resin designed for premium powder coating applications. It delivers excellent flow, leveling, and mechanical properties with superior UV resistance and gloss retention. Ideal for architectural and appliance coatings requiring durability, weatherability, and consistent cure response across diverse substrates.
  • allnex crylcoat 2478 1 polyester resin_7d5759f4
  • allnex crylcoat 2478 1 polyester resin_7d5759f4

Features Of Allnex CRYLCOAT 2478-1 Polyester Resin

  1. High-gloss, durable finish with excellent color retention under UV exposure.

  2. Optimized for low-bake curing (180–200 °C), enabling energy-efficient powder coating processes.

  3. Superior flow and leveling properties for smooth, defect-free film formation.

  4. Excellent chemical resistance to solvents, acids, and household cleaners.

  5. Compatible with standard TGIC and non-TGIC crosslinkers for flexible formulation design.

Typical Applications Of Allnex CRYLCOAT 2478-1 Polyester Resin

  1. Architectural aluminum extrusions for façades and window frames.

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

  3. Heating, ventilation, and air conditioning (HVAC) components.

  4. Electrical enclosures and outdoor utility cabinets.

  5. Automotive under-hood components exposed to elevated temperatures.

Specifications Of Allnex CRYLCOAT 2478-1 Polyester Resin

Chemical TypeCarboxyl-functional saturated polyester
Product FormWhite to off-white free-flowing powder
AppearanceFree-flowing granular solid
Acid Value (mg KOH/g)26–30
Molecular Weight (Mn)~3,500–4,200 g/mol
Glass Transition Temperature (Tg)68–72 °C
Primary ApplicationsExterior-grade thermoset powder coatings
Key FeaturesUV stability, low-bake performance, high gloss retention


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