... are using flexible rubber bellowsAbout Our flexible rubber bellows: 1.Main Materialsof flexible rubber bellows:Silicone,Neoprene,EPDM,and NR ; ... 2.Flexible rubber bellowsare mainly used in cars, ... , welcomed the consultation anytime~Item:Flexible Rubber BellowsMaterial:NBR,HNBR,XNBR,EPDM,SIL,FKM(VITON),ACM,AEM,SBR,CR ...