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

Toyobo GM-470 Crystalline Polyester Resin

Toyobo GM-470 is a high-melt-viscosity crystalline polyester resin from Toyobo’s GM series, engineered for precision injection molding of thin-walled, high-dimensional-stability parts. It offers excellent flow control, low warpage, rapid crystallization, and superior chemical resistance—ideal for automotive connectors, electronic housings, and precision engineering components requiring tight tolerances and consistent cycle times.
  • toyobo gm 470 crystalline polyester resin_ce167c16
  • toyobo gm 470 crystalline polyester resin_ce167c16

Features Of Toyobo GM-470 Crystalline Polyester Resin

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

  2. Outstanding thermal resistance with continuous use temperature up to 150°C.

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

  4. Excellent chemical resistance to aliphatic hydrocarbons, weak acids, and common solvents.

  5. Good flow characteristics for precision injection molding of thin-walled and complex geometries.

Typical Applications Of Toyobo GM-470 Crystalline Polyester Resin

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

  2. Electrical and electronic enclosures requiring flame-retardant compatibility and dimensional reliability.

  3. Industrial fluid handling components such as pump bodies and valve housings.

  4. Consumer appliance structural parts exposed to elevated ambient temperatures.

  5. Food-contact-approved housings (compliant with FDA 21 CFR §177.1450) for kitchen equipment.

Specifications Of Toyobo GM-470 Crystalline Polyester Resin

Chemical TypeCopolyester (crystalline, PET-based)
Product FormPellets
AppearanceOff-white, semi-crystalline granules
Melt Temperature (DSC, 10°C/min)258–262°C
Relative Viscosity (0.5 g/dL in o-chlorophenol)1.12–1.18
Density (ASTM D792)1.34–1.36 g/cm³
Moisture Content (as received)≤0.05 wt%
Primary ApplicationsHigh-precision injection-molded engineering components


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