... Application: concrete, building, ballmill. AL2O3: 95% 95% Alumina grinding ball : The Products, featured by high hardness, high density, low ... ores. Application: The products are widely used as grinding media of ball mill on ceramics, cements, paints, refractories, ... industries, etc. Technical date Sheet of abrasive alumina ball: Performance Index95 SeriesAl2o3(%)≥95Fe2O3(%)≤0.01Moh’s hardness9. ...