Stop rust before it happens. Spray Krylon? Rust Tough? Rust Preventative Enamels directly on your metal surfaces. It chemically converts any rust formation to a black waterproof primer. It stops future rust from forming and dries to the touch in less than 30 minutes. No primer needed! No primer required - direct to metal Dries to the touch in less than 30 minutes Superior fade resistance Easy soap and water cleanup Low odor Long-lasting rust protection One-coat coverage