J-B Weld 8297F Epoxy Putty, Beige/Metallic Gray, Solid, 2 oz

HighHeat™ is a hand mixable epoxy putty stick specifically formulated to bond and repair materials that will be exposed to high temperatures in automotive and industrial maintenance applications. It cures to a tough, hard bond with little to no shrinkage. This industrial-strength product outperforms conventional epoxy putties at high temperatures and sets in 1 hr at room temperature. After 8 hr, it can be drilled, tapped, machined, ground, filed and painted. HighHeat™ is rated at a tensile strength of 800 psi and cures to a machine grey in color. It is able to withstand continuous heat exposure of 400 deg F and intermittent heat exposure to 550 deg F.