Description FR25/90 is a James Walker compound based on a fluoroelastomer FKM tetrapolymer. It is specially formulated for explosive decompression (ED) resistance and low temperature operations down to -30°C (-22°F), plus a maximum temperature rating of +200°C (+392°F).
This 90 IRHD material is widely used for sealing duties at oilfields where it exhibits excellent resistance to the fluid media. Its qualification to the stringent Norsok M-710 standard - covering both ED resistance and sour gas (H2S) ageing tests - plus its approval by end users for use in ED environments, place it as one of the world-leading elastomers for high pressure gas applications.
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