JB Weld 8297 HighHeat 500 Degree Epoxy Putty Stick - 2 oz.


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JB Weld SKU: AD-446003

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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 hour at room temperature. After 8 hours, 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 400F and intermittent heat exposure to 550deg. F

Strength 800 PSI at Room Temp. 600 PSI at 400deg.F

Set Time 1 Hour

Functional Cure 8 Hours

Dries Machine Grey

Great For:

Exhaust Manifolds

Tail Pipes


Engine Blocks

Duct Work


High Temperature Projects


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