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

Toyobo GM-920 Crystalline Polyester Resin

Toyobo GM-920 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 demanding injection molding applications requiring consistent crystallinity and processing reliability.
  • toyobo gm 920 crystalline polyester resin_9a0dc644
  • toyobo gm 920 crystalline polyester resin_9a0dc644

Features Of Toyobo GM-920 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 end-product reliability.

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

  5. Good flow characteristics for precision injection molding of thin-walled components.

Typical Applications Of Toyobo GM-920 Crystalline Polyester Resin

  1. Automotive under-hood components including sensor housings and connector bodies.

  2. Electrical and electronic parts such as terminal blocks, relay bases, and fuse holders.

  3. Industrial pump and valve components requiring long-term thermal and chemical exposure resistance.

  4. Consumer appliance housings exposed to elevated ambient temperatures (e.g., coffee makers, air fryers).

Specifications Of Toyobo GM-920 Crystalline Polyester Resin

Chemical TypeCrytalline aromatic polyester
Product FormPellets
AppearanceOff-white to pale yellow granules
Melt Temperature (DSC)255–265 °C
Relative Viscosity (0.5 g/dL in phenol/tetrachloroethane, 25 °C)1.4–1.6
Density (ASTM D792)1.32–1.35 g/cm³
Moisture Content (ASTM D6980)≤0.05 wt%
Primary ApplicationsHigh-temperature structural components requiring dimensional integrity and chemical resistance


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