J-B Weld stays pliable for about 30 minutes after mixing, sets in 4-6 hours, and cures fully in 15-24 hours. It is recommended to clean the bonding surfaces with acetone or lacquer thinner. In the absence of these two, soap and water can be used. Just be sure that the surface is completely dry. DO NOT use alcohol, or any other cleaner that will leave a petroleum residue. Some interesting additional facts about J-B Weld: It is non-toxic and safe to use (however it is not recommended to consume the product). It has proven to maintain its characteristics to temperatures as low as -67 degrees F. You can thin J-B Weld to make it easier to pour. Add up to 1 teaspoon (0.17 liquid ounce) of acetone or lacquer thinner per 2 ounces (1 full package) of mixed product. J-B Weld is microwave safe. It is water-proof, petroleum, chemical, and acid resistant, resists shock, vibration and extreme temperature fluctuations. You can bond virtually any combination of iron, steel, copper, aluminum, brass, bronze, pewter, porcelain, ceramic, marble, glass, PVC and ABS, concrete, fiberglass, phenolic, wood, paper, fabric and just about any porous and non-porous material with exception to rubber.
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