WL740 Zinc-Rich Galvanizing Compound, GallonCan High performance primer containing pure zinc dust pigment blended with epoxy resin Stops rust on steel or galvanized coatings The self sacrificing zinc protects the base metal, preserving strength & prevents rust creepage when the area is penetrated or scratched (equal to or better than hot dipped galvanizing) Uses: Automotive, marine, nuclear facilities, power plants and refineries, Industrial tanks, piping, welded joints, bridges, farm