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Impet® PET

Producer: Celanese
Polymer type PET

Impet® is the Celanese trade name for injection mouldable glass fibre filled thermoplastic polyester based on polyethylene terephthalate (PET).

Like its chemical cousin PBT, Impet® (with PET base resin) has outstanding physical properties and superior thermal and chemical resistance, with the added ability to support higher temperature exposure.

General info

Impet® offers:

  • High rigidity and hardness
  • Very good creep strength
  • Paintable surface
  • Good friction and wear properties
  • High chemical resistance and weathering resistance

Some advantages over PBT are:

  • Higher mechanical strength at room and elevated temperatures
  • Higher heat deflection temperature
  • Higher continues service temperature

Typical applications of Impet® PET

The specific material properties of glass fibre filled PET makes Impet® an excellent choice for larger parts such as automotive grill opening retainers, but smaller parts also use Impet® PET. Examples include windshield wiper brackets, throttle body covers and air-conditioning and heater duct doors.

Due to its high rigidity at high temperature, Impet® PET can also find applications in the functional parts of electric irons, microwaves and extractor hoods.

Portfolio

All Impet® grades contain glass fibres.

Most commonly used are the Impet® 2700 GV1/30, a PET with about 30% glass and Impet® 2700 GV1/45, a PET with about 45% glass.

Datasheets

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