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

Allnex CRYLCOAT 4643-3 Polyester Resin

Allnex CRYLCOAT 4643-3 is a high-flow, low-cure-temperature polyester resin designed for premium powder coatings. It delivers excellent gloss retention, mechanical durability, and weather resistance. Ideal for indoor/outdoor architectural and appliance finishes, it ensures smooth application and superior TGIC-free crosslinking performance with consistent film formation and color stability.
  • allnex crylcoat 4643 3 polyester resin_dce7a751
  • allnex crylcoat 4643 3 polyester resin_dce7a751

Features Of Allnex CRYLCOAT 4643-3 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. Good chemical resistance to solvents, cleaning agents, and mild acids.

  4. Compatible 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 4643-3 Polyester Resin

  1. Architectural aluminum extrusions for façades and window systems.

  2. Automotive exterior trim and non-under-hood decorative components.

  3. Outdoor furniture and garden equipment coatings.

  4. Industrial metal furniture and office equipment finishes.

  5. Electrical enclosures and streetlight housings requiring durable color retention.

Specifications Of Allnex CRYLCOAT 4643-3 Polyester Resin

Chemical TypeCarboxyl-functional saturated polyester
Product FormPowdered solid resin
AppearanceFree-flowing white to off-white granules
Acid Value (mg KOH/g)27–33
Number Average Molecular Weight (Mn)~2,800–3,200 g/mol
Glass Transition Temperature (Tg)68–72 °C
Primary ApplicationsExterior-grade thermosetting powder coatings
Key FeaturesWeather durability, high gloss, smooth film formation


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