Polytetrafluoroethylene (PTFE) gives much better corrosion resistance than rubber. PTFE is available as virgin PTFE, graphite filled PTFE, and glass filled PTFE. The following components can be made from this material:

  • Wedges
  • O-rings, V-rings
  • Bellows
  • Gaskets, etc.
ParameterUnitVirgin PTFEGlass Filled PTFECarbon Filled PTFE
Densityg/cm32.22.32.08
Tensile StrengthMPa301513
Max. Working TemperatureoC260260260

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