... , like canteen, water dispenser and so on.1. All rubber products are made according to international standard: ISO 3601, AS 568A ... VITON, Silicone, FluoroSilicone, EPDM, Teflon, Natural Rubber, BUTYL, SBR, Neoprene, HYPALON, etc.Our Company is committed to providing customers with quality products and ... certification and British WRAS (WRC) drinking water standard certification. Silicone Rubber O-Ring