... .FPM:high tensile strength,good tearing property,no change in property from -70--300 centigrade.IIR: good heat ... ,no permeation,acid resistance,alkali resistance. PROPERTY durable in liquid material,mineral oil,lubricant and other different environmentmateria ... :SR,NBR,EPDM,NR,SBRcolor:available in any color,according to customer's requirementworking pressure:<= ...