This specification covers polytetrafluoroethylene resin in the form of asbestos-fiber-reinforced sheet. Primarily for gaskets requiring a minimum variation in thickness and compatibility with liquid oxygen. This product contains asbestos fiber. Abrasion or other fiber-releasing operations require special control techniques. Review procedures with responsible safety personnel before initiating manufacturing operations.
AMS3238 specifies a compressed asbestos and polytetrafluoroethylene material. Asbestos is a hazardous material that should no longer be used. This specification is cancelled without replacement.