Hand kneadable epoxy putty especially designed for repairs that involve high temperatures. 8 minute working time and cures in 1 hour. Performs at temperatures of 200 deg. F. (93 deg. C.) to 350 deg. F. (176 deg. C.). Waterproof. Can be used to repair heating pipes, radiatiors, grills, woodburning stoves, engine blocks, castings, ovens, lawn mowers, tractors, electrical connections, etc. 1 oz.