Crown 7008 Metallic ASTM A-780, ASTM B-117 Bright Premium Galvanize Coating, 13 oz (Pack of 12) A glistening coating with 65 percent pure zinc in dry film Stops rust and corrosion on any iron or steel surface for protection equal to or better than hot-dipped galvanizing Restores galvanized surfaces to the bright look of hot-dipped galvanizing Good film integrity after 500 hours salt spray