J-B Weld High Heat Epoxy Putty High Heat 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 hour at room temperature. After 8 hours, it can be drilled, tapped, machined, ground, filed and painted. High Heat 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 degrees F and intermittent heat exposure to 500 degrees F. Use on: Automotive Metal And more Instructions 1. Cut: Remove required amount of putty. 2. Mix: Thoroughly knead putty with fingers to a uniform color. 3. Apply: Press putty firmly to the surface to be repaired. J-B Weld is proudly made in the USA
Recommended Surface Type: Steel
Product Form: Putty
Product Type: Automotive Epoxy
MAJOR USES: Exhaust Manifolds, Tail Pipes, Mufflers, Engine Blocks, Duct Work, Machinery and other high temperature equipment
DO IT YOURSELF: Big or small, you can DIY it with J-B Weld; Our heavy duty epoxy and adhesives repair & restore it right the first time; J-B Weld delivers superior performance, quality, and results for the World’s Strongest Bond
Heat resistant: withstands continuous temperatures up to 450°F (232°C) and intermittent exposure up to 500°F (260°C).
Durable and machinable: 3× stronger at high temperatures than conventional epoxy putties and can be tapped and drilled.
Common applications include exhaust systems, engine parts, duct work, machinery and other high-temperature equipment.
Packaged as a 2 fl oz tube of grey putty, made in the USA and backed by a 30-day warranty on material and workmanship.
