J-B KWIK is packaged in two tubes. One contains liquid steel/epoxy resin, and the other contains hardener. J-B KWIK cures so fast, it’s not as strong or as heat-resistant as the original J-B WELD. For typical household maintenance and repairs, however, it’s just about perfect. Use J-B KWIK as an adhesive, laminate, plug, filler, sealant, and electrical insulator. J-B KWIK can be formed, drilled, ground, tapped, machined, filled, sanded, and painted. It stays pliable for about 2 minutes after mixing, sets in just 4 minutes, and cures fully in 4 hours. It’s water-proof; petroleum-, chemical-, and acid-resistent; resists shock, vibration, and extreme temperature fluctuations, and withstands temperatures up to 300Ê F. J-B KWIK is super strong, non-toxic, and safe to use. Before it sets, you can clean up with soap and water. Virtually any combination of iron, steel, copper, aluminum, brass, bronze, pewter, porcelain, ceramic, marble, glass, plastic, concrete, fiberglass, wood, fabric, paper — just about any porous and non-porous material.