3M Zinc Spray 16-501 is a dispersion of fine powdered 97% pure zinc in petroleum distillates. This spray is formulated to inhibit rust and corrosion of metal surfaces. It is suitable for use in transmission and distribution equipment including towers, transformers, light standards and other metal and galvanized surfaces. Features : - Helps prohibit rust and corrosion of metal surfaces - Suitable for coating applications - Allows for easy application by aerosol spray - RoHS 2011/65/EU Compliant