... anti-radiation, good flexibility, good elasticityE. Excellent resistance of acids, aliphatic hydrocarbons, aromatic hydrocarbons and animal ... are competitiveEPDM rubber diaphragm for valvesHeat resistant rubber diaphragm for valvesSeal rubber diaphragm for valves1) Available material : material for NBR,FKM, ... by ourself. 7)Responds very well with resistance to ozone, high temperatures, oxygen, mineral ...