High-density and low wear loss 92% alumina grinding beads, widely used in Zirconia, chemical, oil, enamel, pigment, mine, etc. 1) Al2O3: 92%2) Density: 3.6g/cm³3) EWT: <0.01%4) Compressive strength: above 2,000MPa5) Water absorption: <0.016) Crushing strength: ≥520kN7) Hardness: 9 (Mohs)8) Size: 1mm-15mmPacking: 25kg/bag Alumina Grinding Beads 92%