Polysulfone shows great thermal stability (from -148 °F to +320 °F). PSU possesses a high mechanical strength, very good dielectric properties, hydrolysis resistance and a high radiation resistance (permeable for microwaves). PSU has a low notch impact strength.

Properties GEHR PSUTM

Product range

  • High strength and rigidity
  • High impact strength (also at low temperatures)
  • Very good dimensional stability
  • High chemical resistance
  • High resistance to β-, γ-, x- and infrared radiation
  • High permeability of microwaves
  • Self-extinguishing
  • Good to sterilize
  • Mediocre resistance to stress crack
  • Not weather resistant


  • Parts of microwave ovens
  • Blow dryer
  • Humidifiers
  • Food industry
  • Pump wheels
  • Adapters
  • dosing stations, flanges and sleeves
  • Pump and sealing bodies
  • Valves
  • Insulators
  • Medical industry
Downloads GEHR PSUTM

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GEHR Plastics Inc.
24 Creek Circle
Boothwyn, PA 19061


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