... materials are avaiable rubber diaphram/epdm rubber membrane We can produce various kinds of silimar membrane according to your sepeific specification, just ... test standards.3)Excellent resistant to oxygen,mineral,oil,synthetic hydraulic fluid, fuels,solvents&chemicals.4)Low permeability to gas ,air ... and carton .2,Customized welcome.8)OEM orders are welcomed. Membrane/Diaphragm/Rubber diaphragm