Silicon Seals Rubber Gaskets for Bathroom Fitting: 1, ISO9001,ISO14001; 2, Oil seals, Water Seals, Air Seals. Silicon Seal Rubber Gaskets for Bathroom Fittings: Silicone Rubber Seal Gaskets Specification1, MaterialNBR, NR ... finish, Durable and easy cleaning.3, Temperature-40°C to + 150°C4, Hardness30-90 shore A5, TypesOil Seals, Water seals, Air seals, Gaskets, Nonstandard.6 ...