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J-B Weld High Heat Epoxy Syringe 25ml



3900 PSI

Set Time

5 minutes

Functional Cure

1 Hour

J-B Weld HighHeat is a two-part epoxy system that provides strong, lasting, heat-resistant repairs up to 550°F. Mixed at a ratio of 1:1, it forms a permanent bond that has a 4730 PSI strength and is chemical and fuel resistant. At room temperature, HighHeat sets in 1 hour and cures in 24 hours. HighHeat's cure time is accelerated by heat and can cure in 1 hour at 250°F.

Great For:

  • Tile

  • Most Plastics

  • Ceramic

  • Glass

  • Wood

  • Metal

Cure Colour


Made in the USA US flag



Clean repair area of dirt, grease, oil, paint, rust etc. For best results use a detergent or degreaser to first clean the surface, then roughen surface with file or coarse sandpaper to provide best repair.


After removing the replaceable cap, press down on plunger and squeeze equal amounts onto a disposable surface and mix.


Press with appropriate tool in an even coat, weld beard or extruded shape as needed.


Sets in 5 minutes. Cures in 1 hour. If temperature is below 40ºF, then set time will be longer.

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