This rubber o ring temperature chart shows high and low rubber temperature range resistance for all popular materials.
Buna n o ring temperature limits.
This popular o ring material family comparison shows basic rubber material family properties and performance plastic properties.
Temperature guidelines for o rings and o ring compounds find o ring temperature ranges in the attached o rings temperature guide for o ring compounds and general elastomers including viton fluorosilicone nitrile silicone epdm kalrez neoprene and aflas materials.