coated fabric molded diaphragms: one side coated fabric reinforced diaphragms,or bothe sides rubber bumper 1Reinforced fabric(Nylon, Terylene,fiberglas, Nomex and other reinforced fabric) as the skeleton coated with the rubber elastomerNBR, NR, EPDM, FKM, Silicone and other special elastomer) one side or both sides. Thickness and elastomer is different according to special requirement.Character: ...