PEI

Polyetherimide

PEI is a high strength thermoplastic film that has outstanding temperature, chemical and electrical properties. Depending on the application, PEI can be a cost effective alternative to PEEK.

Brand Names

  • Ultem® PEI

Characteristics

  • High temperature resistance
  • Chemical resistance
  • Excellent mechanical strength

Common Applications

  • Thermoformed components

Data Sheets

PropertyTest MethodTypical Value
  English unitsSI Units
Available Thickness Range-2 – 20 mil51 - 508µm
Max. Operating Temp.-340ºF171°C
TgASTM D-3418423ºF217°C
Melt PointASTM D-3418426ºF219°C
Dielectric StrengthASTM D-149830 V/mil33 V/μm
Dielectric ConstantASTM D-1503.153.15
Specific GravityASTM D-7922.12 - 2.172.12 - 2.17
Tensile Strength, BreakASTM D-63815200 psi105 MPa
Ultem® is a registered trademark of GE.
Note: The information displayed on the Welch Fluorocarbon, Inc. website should be utilized for evaluation and reference purposes only, and should not be used as a definitive source. It is the user’s responsibility to test the suitability of any material for their particular end use.

Work with our Team of Experts

Let’s talk about your next project together.

Ask Questions

)
    is typing...

    Fill in the form below to send us a message.

    Send Message Cancel