MPTFE

Modified polytetrafluoroethylene

Modified PTFE is a skived Fluoropolymer film that is an excellent choice for heat sealing applications that require extreme chemical and high temperature resistance. MPTFE is also a cost effective alternative when compared to FEP and PFA.

Brand Names

  • Norton® MPTFE
  • DeWal MPTFE

Characteristics

  • High temperature resistance
  • High chemical resistance

Common Applications

  • Heat sealed bags
  • Heat sealed liners
PropertyTest MethodTypical Value
  English unitsSI Units
Available Thickness Range-1 – 10 mil25.5 - 254µm
Max. Operating Temp.-500ºF260°C
Melt Point-627ºF330°C
Dielectric StrengthASTM D-1492800 V/mil-
Tensile StrengthASTM D-8826000 psi41.36 MPa
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.

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