Clwyd Compounders Ltd Clwyd Compounders Ltd Contact Clwyd Compounders
Clwyd Compounders Ltd
Latest News...

Rubber in Engineering Group @ Clwyd - Sep 2018

Clwyd welcomed the Rubber in Engineering Group on Friday 21st September, more than 20 more

Polymer Types - FKM 4   Fluoroelastomer terpolymer of tetrafluoroethylene, propylene & vinylidene fluoride...

Clwyd reference FKM 4
ASTM classification FKM type 4

Bisphenol-cured fluoroelastomer terpolymer of tetrafluoroethylene, propylene & vinylidene fluoride

Typical applications Not widely used; some use for specialist automotive parts

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


Limited steam resistance
Poor low temperature resistance

Available hardness range (Shore A) 60 - 95
Upper continuous service temp. (°C) 250
Min. temp. for sealing applications (°C) -5
Minimum non-brittle  temp.  (°C) -10
Tensile strength (up to) 18 MPa
Elongation at break (up to) 250%

<< Back to full Polymer List

Home | About Us | Understanding your needs | Material Selection | Compound Manufacture
Technical Services | Quality & Tech Info | News | Contact Us
© 2019 Clwyd Compounders Ltd. All rights reserved | Privacy Policy | Disclaimer | Site Map Site by Notcon