Skip navigation Accessibility information

Your global supplier for materials

Product Summary of Polyetherimide (PEI)

This amorphous high performance engineering plastic exhibits a combination of outstanding thermal, mechanical and electrical properties. It also has inherently good flame retardancy and low smoke evolution during combustion. Its ability to withstand repeated steam sterilisation cycles makes Polyetherimide (PEI) an ideal material for a variety of medical and food contact applications.

Characteristics of Polyetherimide (PEI) include:

  • Excellent thermal stability
  • Good electrical properties
  • UL94 V-0 rated
  • Excellent hydrolysis resistance
  • Good radiation resistance
  • FDA approved for food contact
  • USP Class VI compliant

Forms and Availability of Polyetherimide (PEI)

Please find below a list of our standard stock dimensions. Of course, we are very often able to supply alternative dimensions.


Diameter: 6.4 - 25mm

Request a quote


Thickness: 1.6 - 6.4mm

Request a quote


Thickness: 0.025 - 0.5mm

Request a quote


Diameter: 2.3mm

Request a quote