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

Toyobo GM-415 Crystalline Polyester Resin

Toyobo GM-415 is a high-purity crystalline polyester resin from Toyobo’s GM series, engineered for superior thermal stability, precise melt viscosity control, and excellent chemical resistance—ideal for high-performance engineering plastics, specialty films, and precision injection molding applications requiring consistent crystallinity and processing reliability.
  • toyobo gm 415 crystalline polyester resin_09966fbe
  • toyobo gm 415 crystalline polyester resin_09966fbe

Features Of Toyobo GM-415 Crystalline Polyester Resin

  1. Highly crystalline structure enabling rapid melt crystallization and excellent powder flowability.

  2. Outstanding thermal stability with minimal degradation during extrusion and melt processing.

  3. Consistent particle size distribution for uniform melting behavior in powder coating applications.

  4. Low melt viscosity at processing temperatures, facilitating smooth film formation and edge coverage.

  5. Excellent chemical resistance to solvents, weak acids, and alkalis after curing.

Typical Applications Of Toyobo GM-415 Crystalline Polyester Resin

  1. Thermosetting powder coatings for architectural aluminum extrusions.

  2. Functional coatings on metal furniture and office equipment.

  3. Protective finishes for outdoor electrical enclosures and utility boxes.

  4. Decorative and durable coatings for automotive trim components.

  5. Industrial coil coating primers requiring high crystallinity and fast cure response.

Specifications Of Toyobo GM-415 Crystalline Polyester Resin

Chemical TypeCopolyester (crystalline, carboxyl-terminated)
Product FormPale yellow to off-white granules
AppearanceFree-flowing crystalline solid
Melting Point (DSC, 10°C/min)185–192°C
Acid Value28–32 mg KOH/g
Number Average Molecular Weight (Mn)~3,500–4,200 g/mol
Crystallinity (DSC)≥75% (by enthalpy of fusion)
Primary ApplicationsStandard polyester-based thermoset powder coatings (TGIC-free systems)


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