High-performance coating of >93% pure zinc that electrochemically bonds with ferrous metals to form a galvanic cell. It actively fights rust and corrosion. Use as a touch-up for damaged galvanized coatings. Dries quickly. Outdoor protection: 1-2 years. Applications: on threads, exposed edges, fasteners, conduit, strapping, welds, fencing, railings, grates, electrical poles, breaker panel housings, rain spouts, signs, doors, trailers, waste containers, catwalks, and guard rails. Meets ASTM A780