J-B Weld 8265S Original Cold-Weld Steel Reinforced Epoxy - 2 oz. The Original J-B Weld two-part epoxy cold weld system Great for household repairs, automotive projects, plumbing and marine applications, crafts and more Sets in 4-6 hours at room temperature and cures dark grey in 15-24 hours and rated at a tensile strength of 3960 PSI Once cured it forms a permanent bond and can be shaped, tapped, filed, sanded and drilled and will withstand temperatures of up to 550 degrees Fahrenheit J-B Weld is proudly made in the USA Will set in 4-6 hours, and cure in 16-24 hours Waterproof, petroleum, chemical, and acid resistant when fully cured Can be drilled, tapped, machined, filed, sanded and painted Stong and nontoxic after it has set and temperature resistant up to 500F Tensile strength is 3,960 PSI