Amazing GOOP Automotive Epoxy Paste is a heat resistant epoxy specially designed for auto body and other metal work. The primer gray formula is and is unaffected by water, alcohol, grease, chemicals and fuel. It can also be used in cold welding repairs. Automotive Epoxy Paste bonds to metal, fiberglass and most plastics and sets in 20 minutes. It forms a weatherproof bond and offers high impact resistance with no sag. Once cured, it can be sanded, ground, drilled, tapped and painted with most paints.