... 2)Safe and hygienic 2)Colors and materials are avaiable rubber diaphram/epdm rubber membrane We can produce various kinds of silimar membrane ... or design. Features:1)Various material available:SILICONE,NR,NBR,EPDM,CR,IIR,VR(F) ,SBR ,VITON,etc 2)Safe and ... .2,Customized welcome.8)OEM orders are welcomed. Membrane/Diaphragm/Rubber diaphragm