alumina balls for ceramic tile : Size:10 20 30,40,50,60,70 Application: ... .minera,chemical AL2O3: 95%, Density: 3.65 Alumina ball for ceramic : The Products, featured by high hardness, high density, low wear ... , cements, paints, refractories, inorganic mineral powders industries, etc. Technical date Sheet of abrasive alumina ball: Performance Index95 SeriesAl2o3(%)≥95Fe2O3(%)≤0.01Moh ...