The Rust-Oleum 10.25 oz. Rust Reformer Spray is designed to convert rust into a non-rusting surface. For use on rusted metal only, the corrosion-resistant spray is compatible with most solvent and oil-based paints. It dries in approximately 15 minutes for quick and easy indoor and outdoor use and the 10.25 oz. can covers areas up to 10 sq. ft.