... ,good corrosion resistance,etc. They are the ideal high-efficiency grinding media for glaze,body materials,chemical powder and fine ... 50mm-----φ60 mm+2.0mmφ70mm-----φ80mm+3.0 mmApplicationThe medium alumina grinding ball is widely used in the industry ... building materials, metallurgy, machinery, electronics etc. It is the grinding medium with high cost performance in the present market because of ...