China 92 Alumina Grinding Ceramic Ball Al2O3 Grinding Media Ball for Ball Mill

92% Alumina Grinding Ceramic Ball An exceptionally high degree of hardness and resistance to wear.High compressive strength.Zero water absorption and porosity.High density alumina balls resulting in reduction of ball mill rotation time.Absence of undesirable impurities in the composition of materials to be ground.Reduced energy consumption for the above reasons.
Size available

Φ2Φ3Φ6Φ8Φ10Φ13Φ16Φ20Φ25Φ30Φ38Φ50Φ60

Typical Characteristics

Indexhigh alumina grinding ballmedium alumina grinding ballcarbide alumina grinding ballAl2O3(%) 95 >=92 65-75 60-70SiO2(%) 3 3.81 15-30 15-20Fe2O3(%) 0.05 0.06 0.41 0.5TiO2(%) 0.04 0.02 1.7 1.8Others(%) 1.9 2.53 5 10Bulk density(kg/m3) 3.68 3.68 2.93-3.00 2.80-2.90Water absorption(%) <5% <5% <5% <5%Moh's hardness (Class) 9 9 >8 >8Compressive strength(Mpa) 2100 <2000 >1000 >1000Wear rate(%) 0.0084 0.01 0.011 0.08Form method Balanced extrusion Balanced extrusion extrusion moulding hand-made

Appearance Demand

High Alumina Grinding BallsMedium Alumina Grinding BallsCarbonized Alumina Grinding BallsColorWhiteWhiteAsh-blackCrackNot PermissionNot PermissionNot PermissionImpurityNot PermissionNot PermissionNot PermissionFoam holeAbove ф1mm not permission, size in ф0.5mm permit 3 ballsFlawMax. size in ф0.3mm permit 3 balls

Packaging
25kgs/woven bag,1500kgs/plywood pallet or according to customer's packing request