Copper. 55 gram. Cures in 5 minutes. A two component epoxy resin reinforced with metal powder. The chemical components are matched to form the best bond to the materials that are to be joined or repaired and offer a durable and quick solution for metal repairs without cracking or twisting. When cured it can be filed, drilled, tapped and painted. Idées-Fix is weatherproof, resistant to CFC (chlorofluorocarbons), solvents and high temperatures.