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Polymer Types - FKM 3   Fluoroelastomer terpolymer containing fluorinated vinyl ether...

Clwyd reference FKM3
ASTM classification FKM type 3

Type 3 FKM are peroxide-cured fluorocarbon polymers designed for use in low temperature applications

Typical applications

Seals and gaskets for chemical processing, power and utilities subjected to lower temperature conditions.

Advantages

Excellent high temperature resistance
Improved low temperature resistance
Good resistance to oils and most non-polar solvents
Excellent ozone and weathering resistance

Disadvantages

Limited steam resistance
Moderate methanol resistance

 
Available hardness range (Shore A) 60 - 95
Upper continuous service temp. (°C) 250
Min. temp. for sealing applications (°C) -25
Minimum non-brittle  temp.  (°C) -40
Tensile strength (up to) 20 MPa
Elongation at break (up to) 300%

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