ZINC METAL, 20 MESH, GRANULAR is a metallic chemical element with the atomic number of 30. It is most commonly used as an anti-corrosion agent for iron or steel through the process of galvanization. Other primary uses include the starting material for the preparation of other zinc compounds like zinc oxide, zinc chloride, zinc sulfide which touch a variety of uses such as dietary supplements, topical pharma products and metal alloy products.