(12) 16 oz. cans. Leader in the industry in corrosion prevention. Can be easily sprayed, brushed, or dipped onto any metal surface. Its zinc-rich formula is designed for permanent protection. 93% pure zinc in dry film. Meets performance requirements of MIL-P-46105(MR), MIL-P-21035B, and DOD-P-21035A. Withstands 2000 hours of 5% salt spray testing (ASTM B-117). Light gray, matte finish. Zinc sacrifices itself to protect the base metal surface. Provides protection equal to or better than hot-dipped galvanizing. Outstanding weld-through primer. Applications: industrial type applications such as aviation, marine, manufacturing, etc.