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

Toyobo GM-925 Crystalline Polyester Resin

Toyobo GM-925 is a high-clarity crystalline polyester resin from Toyobo’s GM series, engineered for superior thermal stability, excellent melt viscosity control, and rapid crystallization—ideal for high-speed injection molding of precision optical and electronic components.
  • toyobo gm 925 crystalline polyester resin_f577296f
  • toyobo gm 925 crystalline polyester resin_f577296f

Features Of Toyobo GM-925 Crystalline Polyester Resin

  1. High crystallinity enabling rapid melt-solidification and excellent dimensional stability.

  2. Outstanding thermal resistance with continuous use temperature up to 180 °C.

  3. Low moisture absorption (<0.2% at 23 °C, 50% RH) ensuring consistent processing and performance.

  4. Excellent chemical resistance to hydrocarbons, alcohols, and mild acids.

  5. Good flow characteristics for injection molding and extrusion of precision-engineered parts.

Typical Applications Of Toyobo GM-925 Crystalline Polyester Resin

  1. Automotive under-hood components requiring heat resistance and dimensional fidelity.

  2. Electrical connectors and insulating housings in high-reliability electronics.

  3. Industrial pump housings and fluid-handling parts exposed to elevated temperatures.

  4. Food-contact-compliant packaging machinery components (subject to regional regulatory approval).

  5. Reusable medical device housings requiring repeated steam sterilization cycles.

Specifications Of Toyobo GM-925 Crystalline Polyester Resin

Chemical TypeCopolyester (crystalline, semi-aromatic)
Product FormPellets
AppearanceOff-white to light beige granules
Melt Temperature (DSC, 10 °C/min)265–272 °C
Crystallinity (XRD)40–45%
Density (ASTM D792)1.32–1.34 g/cm³
Moisture Content (as received)≤0.05 wt%
Primary ApplicationsHigh-temperature engineering thermoplastics


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