This one component, thermally reactive gasket sealant is used in high temperature and high-pressure applications. The brown-coloured, non-sag, fibrous paste has an operating temperature range of 260 to 815 Degrees C and has a flashpoint of 204 Degrees C. This chemically resistant sealant can be used to seal flanges up to 5,000 pounds per square inch. The cure time for this sealant is between 1 and 2 hours depending on the temperature. This product comes in a one-quart brush top can.