Has a unique fish oil vehicle that penetrates rust to bare metal forcing out corrosive moisture and air. It has outstanding film forming properties which provide a tight bond, a long lasting protection to sound rusted steel. Be sure scale or loose rust is removed before priming. Covers approximately 25 sq. ft. per 12 oz. spray can. Dries to touch in 6 to 12 hours and to recoat after 48 hours. Color and quality is the same as red/brown iron oxide. Clean up with paint thinner or mineral spirits.