Versachem Copper Spray Adhesive is a fast drying sealant that contains copper to help dissipate heat to prevent gasket blowout. Fills surface imperfections and remains tacky to allow for gasket repositioning. Resistant to gasoline and most automotive fluids. Works best on exhaust manifolds, carburetors, gaskets, cylinder head gaskets, turbo charges, and flanged surfaces. Highly flammable (product is an aerosol, contents under pressure). Temperature Range: -50F to 525F.