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 loss ... glaze material, body material and vaious powdered ores. Application: The products are widely used as grinding media of ball mill on ...