Temperature Chart

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Temperature Chart

Rubber Fab’s Material Temperature Chart lists temperature ratings in Fahrenheit for Buna, EPDM, FKM (Viton®), Silicone, PTFE, Tuf-Flex®, Tuf-Steel®, Kalrez® and the GYLON® line.

Material Temperature Ratings

Gasket Material Temperature Range
Tuf-Flex®/Ansi-Flex -20ºF to 300ºF (-29ºC to 149ºC)
Tuf-Steel® -320ºF to 550ºF (-195ºC to 288ºC)
Kalrez® -4ºF to 428ºF (-20ºC to 220ºC)
GYLON BIO-PRO® -346ºC to 500ºF (-210ºC to 260ºC)
GYLON® BIO-PRO PLUS  -450ºF to 500ºF (-268ºC to 260ºC)
PTFE -100ºF to 500ºF (38ºC to 260ºC)
Platinum Silicone -40ºF to 450ºF (-40ºC to 232ºC)
FKM Fluoroelastomer -30ºF to 400ºF (-34ºC to 204ºC)
EPDM (peroxide cured) -30ºF to 300ºF (-34ºF to 149ºF)
Buna -30ºF to 200ºF (-34ºC to 93ºC