Fusion® 938 NFS (non-fluorosurfactant) FKM O-rings
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This material obtained outstanding results in high pressure cycling hydrogen exposure tests performed in the United States by two National Laboratories, as part of the H-Mat consortium research program. Fusion 938 is available as O-ring or GT Ring and is recommended for high temperature, high pressure environment like those found in hydrogen compressors and valves for instance.
We recently developed an NFS (non-fluorosurfactant) formulation of this compound to remove the use of any fluorinated surfactants during the manufacturing process and enable better compliance with environmental regulations.