Use as an adhesive, laminate, plug, filler, sealant, and electrical insulator. Can be formed, drilled, ground, tapped, machined, filled, sanded, and painted. Use equal portions from the black and orange tubes. Mix thoroughly. Pliable for about 2 minutes after mixing. Sets in 4 minutes and cures fully in 4 hours. Water-proof, petroleum-, chemical-, and acid-resistant. Resists shock, vibration and extreme temperature fluctuations and withstands temperatures up to 300 degrees-Fahrenheit. Non-toxic. Bonds to virtually any combination of iron, steel, copper, aluminum, brass, bronze, pewter, porcelain, ceramic, marble, glass, PVC & ABS, concrete, fiberglass, wood, fabric, paper just about any porous and non-porous material.