... leading manufacturer of rubber products in China,OEM are welcome high-quality molded rubber seal Features,1) Available material : material for NBR ... FPM,VITON(FKM)&Dow elastomers,Neoprene,HNBR,Natural rubber,SBR,IR,IIR(butyl rubber),ACM ect.NSF an KTW approved for ... technique to cut bonding washer molds by ourself.7)High and low temperature resistance, oil resistance, anti-ozone and aging, wearable, ...