1The scope of application of zirconia balls Sand mill ,Stirring mill ,Roller mill ,Vibration mill2High-density Highhardness. ... 1.We can produce any kind of zirconia grinding balls 2.Meterial:ZrO2 3.Sizes:0.2-3mm,5mm,10mm ... Al2O3, CeO2-ZrO2, and MgO-ZrO2 grinding media.4) Suitable for high velocity operations and wet grinding operations. zirconia balls for grinding