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Thermoplastic Polyimide

TPI is a thermoplastic polyimide film that has excellent, thermal, chemical, electrical and physical properties.

Brand Names

  • Aurum® TPI


  • High temperature resistance
  • Excellent electrical properties

Common Applications

  • Thermoformed components

Data Sheets

PropertyTest MethodTypical Value
  English unitsSI Units
Available Thickness Range-3 – 10 mil76 - 254µm
Max. Operating Temp.-446ºF230°C
Melt PointASTM D-3418730ºF388°C
Dielectric Strength, 4milASTM D-149-97a3950 V/mil-
Dielectric Constant, 1kHzASTM D-1502.52.5
Specific GravityASTM D-7921.331.33
Tensile Strength, BreakASTM D-88215100 psi104 MPa

Aurum® is a registered trademark of Mitsui Chemicals.

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.