J-B Weld HighHeat 2 Oz. Gray Epoxy Putty

Mixable epoxy specifically formulated to bond and repair materials that will be exposed to high temperatures in automotive and industrial maintenance applications such as exhaust manifolds, tail pipes, mufflers, engine blocks, duct work, and machinery. Cures to a tough, hard bond with little to no shrinkage. Industrial-strength product outperforms conventional epoxy putties at high temperatures. Withstands continuous heat exposure of 400 deg (degree) and intermittent heat exposure to 550 deg. After curing, can be drilled, tapped, machined, ground, filed, and painted.