1.5" Viton, Tri Clamp, Tri Clover, Sanitary, Gasket, Seal for still, etc
These viton gaskets are good for use with butane. Viton gaskets provide an indefinite seal for temperatures up to 400°F. For temperatures up to 600°F, they offer an excellent seal for more than 48 hours. Viton gaskets also have excellent resistance to oxidation, ozone, UV exposure, weather, fungus and mold.