Fast Dry Rust Destroyer is the rust converting coating engineered to be applied directly over rusted metal, new bare metal, rusted painted metal, hot-dipped zinc galvanized metal, core tan steel, tin and aluminum. Guaranteed to stop rust for up to five full years when applied in accordance with label directions. It may not be used in continuous water submersion. 10 minute dry time to handle. Recoat dry time 4 hours. Finish coat dry time 6 hours.