... SILICON,Viton.CR.etc Diameter:1.5-200mm Color:as required OE rubber gasket Features:Widely used in industry,agriculture,including ... anti-radiation.Specification:Material:EPDM, Nitrile(NBR), Neoprene(CR), Silicon, Viton, SBR, Natual rubber and various other basic raw materials.Hardness: From ... ;Food grade(FDA approval).Medical grade.Various size and color are available,like black,red,white,blue.etc Or ...