... Rubber gasket/washer Features: 1. Main materialAll kinds of rubber:Natural rubber,Styrene-butadiene rubber,Nitrile rubber,Butyl rubber,PU,EPDM,Neoprene,Silicone rubber,Fluorocarbon,Chlorohydrine rubber and Methacrylate rubber ... vibration isolation..9. Main performanceThese rubber products could be absorbed the vibration ... detailsInner packing is plastic bag and outer packing is export standard ...