High-density and low wear loss alumina balls, widely used in ceramics, glass, porcelain, enamel, pigment, mine, etc. alumina grinding balls1) Al2O3: 92%2) Density: 3.6g/cm³3) EWT: <0.015%4) Compressive strength: above 2,000MPa5) Water absorption: <0.016) Crushing strength: ≥520kN7) Hardness: 9 (Mohs)8) Size: 20mm-100mmPacking: 25kg/bag High Alumina Grinding Balls