Ultem PEI

Quote A Custom Project

Ultem PEI – (Polyetherimide)  is an amorphous thermoplastic that is manufactured from G.E. Plastics’ ULTEM resin.  It is extremely rigid, dimensionally stable and can operate at a high temperature.  It may be used for machined components used in the medical and pharmaceutical industries.


  • 340 degree F. continuous use temperature
  • Semi-transparent with light amber color
  • Excellent strength and rigidity, even at elevated temperatures
  • Low moisture absorption
  • Superior electrical properties
  • Rated UL V-0
  • Easily machined and fabricated
  • FDA, USDA and USP class VI compliant
  • Glass fiber filled grades available for improved strength and stiffness


Sight Glasses, Manifolds, Electrical insulators, Electrical component housing, Aircraft instrumentation