Application area: General industry Life-science/MedTech

General facts


Shortening: PEI

Color: Transparent amber colored

Common uses: Used for products in the electrical, electronics, automotive and engineering industries with high demands on temperature resistance, dimensional stability and flame retardancy. Can handle repeated sterilization. Also available in LSG quality (Life Science Grade) for applications in medicine, pharmaceuticals and biotechnology.


  • Withstands continuous + 170 ° C in air.
  • Low smoke development in case of fire.
  • Withstands hot steam – can be sterilized.
  • Good chemical resistance.
  • Good resistance to stress cracking.
  • Flameproof (V-0 rated without additives).
  • High dimensional stability.
  • High resistance to UV and microwave radiation as well as gamma and X-rays.
  • Also available in food approved quality.


  • Does not tolerate alkaline environment (pH above 9).
  • Does not tolerate certain chlorinated hydrocarbons.
  • Resistant to freon-based cleaners, refrigerants. and gaseous solvents.
  • Not suitable as a sliding material.