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Product Details

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 4000 PSI and cures to a machine grey in color. It is able to withstand continuous heat exposure of 450ºF and intermittent heat exposure to 500ºF.

  • J-B Weld High-Heat Epoxy Putty Stick adhesive provides a strength of 800 PSI at room temperature, and 600 PSI at 400°F

  • Able to withstand continuous heat up to 450°F, and intermittent heat up to 500°F

  • Three times stronger than conventional putty in higher temperature environments

  • Great for exhaust manifolds, tail pipes, mufflers, engine blocks, duct work, machinery and high temperature projects

  • Cures to a tough, hard bond with little to no shrinkage

  • Industrial-strength product outperforms conventional epoxy putties at high temperatures and sets in one hour at room temperature

  • Size: 57 g

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