Alumina ball 1.Density>3.62g/cm3 2.Wear lost<0.009 ... , high abrasion, entire specification,strong practicability. It can be used for ball mill, mixing mill, vibration mill, sand mill, etc. The ... 40mm,50mm,60mm,70mm. Performance Index of Wear-resistant Alumina Ball Performance Index HXMM70 SeriesHXMM80 SeriesHXMH92 SeriesHXMH95 SeriesAl2O3(%)≥70≥80≥92 ... 0.2≤0.2≤0.15≤0.10 Alumina Grinding Ball for Mining