Weld compounds from J-B WELD are designed to create a permanent bond for dry and clean alloys, like metal. The substance will change into a dark gray color after 4-6 hours revealing that it has set. If you are wanting it to be fully set before you proceed any further in your applications then you are going to need to wait between 15-24 hours. Even after this weld compound has been set it can be shaped, tapped, filed, sanded, and drilled.
J-B WELD weld compounds can be used on a variety of materials including: brass, bronze, iron, steel, ceramic, copper, plastic wood, concrete, fiberglass, epoxy and adhesives, and much more. Because of the compounds ability to be used on a wide array of materials the applications that it can be used in are just as boundless counting: