The popular Elastomers for the sealing industry include, Fluorcarbon, EPDM, NBR, H-NBR, Silicone, etc. They can be shaped to:

 

  • O-rings
  • Bellows
  • Gaskets, etc.
ParameterUnitFluorcarbon RubberEPDMNBRH-NBRSilicone Rubber
HardnessShore A70±570±570±570±560±5
Extensibility%200120120250280
Tensile StrengthMPa1299128
Brittleness TemperatureoC-30-15-15-50-30
Working TemperatureoC-25~+200-10~+110-10~+110-40~+150-20~+180

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