Alumina ceramic ball 1.Density>3.65g/cm3 2.Wear lost<0.009 % ... abrasion, entire specification,strong practicability. It can be used for ball mill, mixing mill, vibration mill, sand mill, etc. The ... , refractory materials, paints, coatings and other fields. Normal size range: Diameter 20mm,25mm,30mm,40mm,50mm,60mm,70mm. Performance Index of ... Lost(‰)≤0.2≤0.2≤0.15≤0.10 Alumina Ceramic Ball 95%Al2O3