... 6 thousand toolings of o-rings, gaskets, washers. Rbber Seal GFLT Grade Viton with low temperature :1) Available material : material for NBR ... ,FKM,FPM,VITON(FKM)&Dow elastomers,Neoprene,HNBR,Natural rubber,SBR,IR,IIR ... ,you can get much more information from our websit Rbber Seal GFLT Grade Viton