Alumina Grinding Ball(Dry Grinding) Application: It is great grinding media,widely used for metal and nonmental dry powder grinding equipment. Properties: This product adopts isostatic forming, good toughness, can greatly improve grinding efficiency, reduce the loss of grinding media. Product Details: Item AM-92 AM-95 Al2O3 ≥92 ≥95 Bulk Density(g/cm³) ≥3.60 ≥3.65 Hardness(Mohs) 9 9 Wear Loss(%) ＜0.015 ＜0.012 Water absorption(%) ＜0.01 ＜0.01 Color White White Size(mm) 13-90mm Size can be customized according to request. Alumina Grinding Ball(Wet Grinding) Application: It is great grinding media,widely used for metal and nonmental wet powder grinding equipment. Properties: Low abrasion,high hardness, impact resistance,energy saving and environmental protection. Product Details: Item AM-92 AM-92S AM-95 Al2O3 ≥92 ≥92 ≥95 Bulk Density(g/cm³) ≥3.65 ≥3.68 ≥3.68 Hardness(Mohs) 9 9 9 Wear Loss(%) ≤0.01 ≤0.008 ≤0.01 Water absorption(%) ≤0.01 ≤0.01 ≤0.01 Color White White White Size:Rolling:0.5mm≤φ≤50mm;Pressing:13≤φ≤90mm; Or be customized according to request.