Formulated by combining high-temperature resin with ceramic fibers and powders, Pyro-Putty™ 950 can be used as gasketing compound for boilers, compressors, heat exchangers, furnaces, ovens, and exhaust manifolds. Product repairs rough, scored, or irregular surfaces and is resistant to chemical and steam attack, high pressure/vacuum atmospheres, mechanical vibration, and joint movement. Offered in 11 oz caulk gun cartridge, sealant can cure in service or by heating joint without pressure.