FEP

Fluorinated ethylene propylene

FEP is an inert transparent Fluoropolymer that exhibits excellent chemical resistance, high dielectric strength and has a wide thermal range.

Brand Names

  • Teflon® FEP
  • Norton® FEP

Characteristics

  • High temperature resistance
  • Cryogenically stable
  • Superior chemical resistance
  • Inert & non-contaminating
  • High dielectric strength
  • Optically transparent

Common Applications

  • Thermoformed components
  • Heat sealed bags

PropertyTest MethodTypical Value
  English unitsSI Units
Available Thickness Range-2 – 20 mil51 - 508µm
Max. Operating Temp.-400ºF205°C
Melt PointASTM D-3418500 - 540ºF250 - 280°C
Dielectric Strength, 1milASTM D-2576500 V/mil260 kV/mm
Dielectric ConstantASTM D-1502.12.1
Specific GravityASTM D-7922.12 - 2.172.12 - 2.17
Tensile StrengthASTM D-8823500 psi24 MPa
Teflon® is a registered Trademark of DuPont used under license by Welch Fluorocarbon, Inc. Norton® is a registered trademark of Saint-Gobain.
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