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Polyethylene terephthalate is a semi-crystalline material from the polyester family of plastics and, due to its good thermal and mechanical properties, is counted among the polymer group of engineering plastics. It has a high surface hardness and good sliding and wear behaviour.

The mechanical properties of PET are hard, stiff, strong and tough and are approx. 10 % higher than those of the similar PBT. The good sliding properties and the high dimensional stability also open up a wide range of possible applications. Good results can be achieved in joining processes with two-component adhesives on the basis of e.g. epoxy resins or cyanoacrylates as well as silicones, for example. It is also possible to paint the components. High vacuum coating of the component surface is also possible. The continuous operating temperature ranges between approximately -20 °C and +100 °C. Like all polyesters, PET is also not resistant to hot water (from approx. +60 °C) in the long term.

The product is in the pre-launch phase. Tests/Approvals on semi-finished products upon first delivery.

Properties MEDI-GEHR PET MG®

Product range

  • Very good chemical resistance
  • Very high impact strength
  • High surface hardness
  • High hydrolysis resistance
  • High creep resistance
  • Good polishability
  • Good sliding friction properties and abrasion resistance
  • Good electrical insulation properties
  • High resistance to gamma radiation


  • Operating room lights
  • Housings
  • Medical components
  • Disposables for biomedical applications

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GEHR Plastics Inc.
24 Creek Circle
Boothwyn, PA 19061


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