Viton o-ring is stocked in brown 75 durometer. They are suitable for acids, aliphatic hydrocarbons, oxidizing agents and all petroleum products. Viton has a low compression set and high temperature resistance. Viton is especially good for vacuum service and low gas permeability and has a useful temperature range of -30 to 200°C.
FOR VITON O-RINGS USED WITH DURAN FLANGES, SEE CG-147.