J-B Weld High Heat High Strength Automotive Epoxy Putty 2 oz

J-B Weld High Heat is a hand-mixable epoxy putty stick specifically formulated for automotive and industrial maintenance applications where high temperatures are a concern. This industrial-strength product forms a tough, hard bond with little to no shrinkage. It has a 1-hour work life, sets in 8 hours at room temperature, and fully cures in 24 hours. Once cured, it can be drilled, tapped, machined, ground, filed, and painted. High Heat has a tensile strength of 4000 PSI and can withstand continuous heat exposure up to 450 degrees F and intermittent heat exposure up to 500 degrees F, outperforming conventional epoxy putties. Cures to a machine-gray color. Great for filling holes, gaps; reconstructing, forming; sealing. Works best on all metals, stone, and concrete. Also works on fiberglass and rigid plastic. High temperature resistant. Withstands heat up to 500 degrees Fahrenheit. Durable. Once cured, High Heat can be sanded, drilled, painted, and tapped. Easy to use, steel-reinforced, hand-mixable epoxy putty. Molds to fit and shape anywhere. Seals and fills cracks and holes.