25 years’ experience in
engineering plastics

Polyetherimide (PEI)

Commonly Known: Ultemâ„¢

Colour: Translucent Brown

Available In: Rod, Sheet


  • Permanent operating temperature of 170 C
  • High rigidity
  • High mechanical strength
  • Good creep resistance over a wide temperature range
  • Dimensionally stable
  • High hydrolysis resistance
  • Good electrical insulator
  • Good radiation resistance
  • Good resistance to acidic cleaning solutions and chlorine
  • Available with up to 30% glass fibre reinforcement

PEI is a translucent amber coloured material that offers a range of advantages over other Polysulfone products. Its electrical properties make it ideal for use in this field being used in fuses and also in the aerospace sector due to its temperature service range and mechanical properties. PEI is also available with special additives making it suitable for use in the medical field.
For more information and availability of PEI material and products please contact us.

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