... , nitrile rubber and PVC rubber foam industry, especially for superior performance; 2 Two water-borne inorganic zinc-rich ... thermal spraying, zinc-rich coating, powder plating, etc.; 4 chemical production: for sodium hydrosulfite (sodium sulfate), lithopone (lithopone), carved white block ... zinc powder is the manufacture of paints, coatings and chemical products such as carved white block, the main raw ...