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Polymer Types - FEPM T - Tetrafluoroethylene-perfluorovinylether-ethylene terpolymer...

Clwyd reference FEPM T
ASTM classification FEPM

Fluorocarbon terpolymer of tetrafluoroethylene, perfluorovinylether and ethylene, which has been designed for use in extreme environments.

Typical applications Seals, O-rings, gaskets and packers for oil exploration and production
Advantages

Excellent high temperature resistance
Outstanding chemical resistance (including acids & bases)
Excellent resistance to oils and non-polar solvents
Excellent ozone and weathering resistance
Excellent steam resistance

Disadvantages Poor low temperature resistance
 
Available hardness range (Shore A) 70 - 95
Upper continuous service temp. (°C) 250
Min. temp. for sealing applications (°C) -9
Minimum non-brittle  temp.  (°C) -10
Tensile strength (up to) 23 MPa
Elongation at break (up to) 300%

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