FKM Rubber Gaskets
FKM Rubber Gaskets.
A high performance FKM rubber offering an exceptionally wide temperature range and strong chemical resistance, built for demanding sealing applications where standard elastomers fall short.
|
Material |
FKM/FPM (vinylidene fluoride-hexafluoropropylene co-polymer) |
|
Hardness |
75° Shore A (+/- 5°) |
|
Temperature range |
-20°C to +220°C |
|
Tensile strength |
≥7.0 MPa |
|
Elongation at break |
≥200% |
|
Specific gravity |
1.90 |
|
Compression set (24 hrs @ 200°C) |
40% max |
|
Ozone resistance |
Excellent |
Every gasket is cut to order, from single prototypes through to full production runs. Send us your drawing or dimensions and we will come back with a quotation.
Why choose FKM for high temperature and chemical resistant applications?
FKM, often known by the trade name Viton, is a speciality fluoroelastomer reserved for applications that genuinely need it, rather than a general purpose material. This grade offers excellent resistance to water, acids and oils, alongside good resistance to alkalis, and a continuous service range of -20°C to +220°C that comfortably exceeds what nitrile, EPDM or neoprene can handle. Ozone resistance is excellent too, so long term outdoor exposure isn’t a concern.
Because FKM is a high priced speciality polymer, it tends to get specified almost exclusively where very high temperature resistance is required alongside resistance to petroleum and chlorinated solvents, rather than being used as a default choice for general sealing. Where those conditions genuinely apply, the extra cost is usually justified by service life and reliability that a standard rubber simply can’t match.
For further information on our services or to discuss your requirements, contact us today.
