J-B WELD HIGHHEAT: A hand mixable two part epoxy putty stick that is formulated to repair and rebuild materials that will be exposed to high temperatures in automotive and industrial maintenance applications. J-B Weld HighHeat is designed for DIY repairs on exhaust manifolds, tail pipes, mufflers, engine blocks, duct work and other various high temperature projects.
CURE AND SET TIME: After kneading the two part formula together by hand, HighHeat takes 1 hour to set and cures in 8 hours. J-B Weld HighHeat set and cure color is machine grey.
PRODUCT FEATURES AND STRENGTH: J-B Weld HighHeat has lap shear strength of 800 PSI at room temperature and 600 PSI at 400oF (204oC) or more. HighHeat is able to withstand continuous heat up to 450oF (232oC) and intermittent heat of 500oF (260oC). HighHeat is 3x stronger at higher temperatures than conventional epoxy puttys and can be tapped and drilled.
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.
3 times stronger at high temperatures
Withstands continuous heat up to 450 degrees Fahrenheit, and intermittent heat up to 500 degrees Fahrenheit
Strength of 800 PSI at room temperature and 600 PSI at 400 degrees Fahrenheit
Perfect for tail pipes, mufflers, machinery, engine blocks, and exhaust manifolds
Special Shipping Information: This item cannot be returned and has additional shipping restrictions

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