Description J-B Weld is the Original Cold Weld 2-part epoxy system in an easy to use syringe provides strong, lasting repairs to metal and multiple surfaces. This versatile cold weld epoxy can help repair everything from damaged welds and solders to cracked engines and radiators. Great for automotive repairs as well as household; works well on plumbing, marine, crafts and more.PRODUCT DETAILS: Works well on metal, cinderblock, concrete, tile, brick, woodwork, plastic and PVC, fiberglass, ceramic and tile, glass, and other surfaces Waterproof, petroleum resistant, chemical resistant, and acid resistant Can be shaped, tapped, filed, drilled, machined, sanded and painted, and withstands temperatures up to 550 degrees 20-25 minute set time and 15-24 hour cure time