... grinding ball : The Products, featured by high hardness, high density, low wear loss. Good normalization, good corrosion-resistance, etc ... Application: The products are widely used as grinding media of ball mill on ceramics, cements, paints, refractories, inorganic ... Sheet of abrasive alumina ball: Performance Index95 SeriesAl2o3(%)≥95Fe2O3(%)≤0.01Moh’s hardness9.5Moisture content(%)≤0.02Bulk Density(g ...