J-B Original is designed to be an alternative to welding, soldering and brazing. This epoxy bonds to most clean surfaces, and it will set in 4 to 6 hours and fully cure in 24 hours. J-B Weld Epoxy is waterproof, resistant to petroleum, chemicals and acid, and can be drilled, machined, painted, sanded and filed once cured. It's super-strong, nontoxic and temperature resistant up to 600°F.