Liquid silicone rubber Professional factory to produce silicone o-ring and gasket with higher quality and competitive Liquid silicone rubber Features,1) Available material : material for NBR,FKM,FPM ... elastomers,Neoprene,HNBR,Natural rubber,SBR,IR,IIR(butyl rubber),ACM ect.NSF an KTW approved for material EPDM.2) All manufacturing processes confirm ...