Form: This specification covers a tetrafluoroethylene/propylene rubber (FEPM) in the form of molded rings. Application: These rings have been typically as static sealing rings for continuous use from -5 to +232 ??(+23 to +450 ?? in dry air@ in hydraulic fluids@ synthetic lubricants@ and high pH chemical decontamination fluids@ but usage is not limited to such applications. Safety ?C Hazardous Materials: While the materials@ methods@ applications@ and processes described or referenced in this specification may involve the use of hazardous materials@ this specification does not address the hazards which may be involved in such use. It is the sole responsibility of the user to ensure familiarity with the safe and proper use of any hazardous materials and to take the necessary precautionary measure to ensure the health and safety of all personnel involved.