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

Toyobo GA-6300 Crystalline Polyester Resin

Toyobo GA-6300 is a high-melt-viscosity crystalline polyester resin from Toyobo’s GA series, engineered for demanding extrusion and injection molding applications. It offers excellent thermal stability, rapid crystallization, superior mechanical strength, and low moisture absorption—ideal for precision automotive parts, electronic housings, and durable consumer goods requiring dimensional stability and chemical resistance.
  • toyobo ga 6300 crystalline polyester resin_4c079128
  • toyobo ga 6300 crystalline polyester resin_4c079128

Features Of Toyobo GA-6300 Crystalline Polyester Resin

  1. Highly crystalline structure enabling rapid melt viscosity build-up and excellent powder flow stability.

  2. Outstanding storage stability at ambient temperature with minimal agglomeration over extended shelf life.

  3. Optimized for low-cure-temperature powder coatings, supporting energy-efficient curing cycles (160–180 °C).

  4. Superior mechanical properties including high gloss retention, impact resistance, and chemical resistance after curing.

  5. Consistent batch-to-batch reproducibility meeting stringent OEM automotive and appliance coating requirements.

Typical Applications Of Toyobo GA-6300 Crystalline Polyester Resin

  1. Automotive exterior and interior powder coatings (e.g., wheel hubs, trim components).

  2. White goods and home appliance finishes (refrigerators, washing machines, ovens).

  3. Architectural aluminum extrusion coatings requiring weather resistance and color stability.

  4. Industrial metal furniture and office equipment with demanding durability specifications.

  5. Functional coatings for electrical enclosures requiring dielectric integrity and thermal stability.

Specifications Of Toyobo GA-6300 Crystalline Polyester Resin

Chemical TypeCrytalline saturated polyester
Product FormPale yellow to off-white granules
AppearanceFree-flowing crystalline solid
Glass Transition Temperature (Tg)68–72 °C (DSC, 10 °C/min)
Melt Viscosity (at 200 °C)2,500–3,500 cP (capillary rheometer)
Acid Value24–28 mg KOH/g
Hydroxyl Value18–22 mg KOH/g
Primary ApplicationsThermosetting powder coatings (TGIC-free or HAA-cured systems)


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