Grinding ceramic ball

FUNCTION INDEX Items Type70 series80 series92 series95 seriesAl2O3 Content (%)≥68≥80≥92≥95Rate of Water Absorption (%)≤0.02≤0.02 ≤0.01 ≤0.01 Specific Gravity(g/cm3)2.95 3.023.353.603.65Hardness(Mohs Scale)8.5999Anti-Compression Strength(Mpa)≥1700 ≥1800 ≥2000 ≥2250 ColorYellowish WhiteWhite White STANDARD SIZES PRODUCTS Size Variation 70 series 80 series 92 series 95 series Φ30mm-Φ40mm ±1.5mm ±1.5mm ±1.5mm ±1.5mm Φ50mm-Φ60mm ±2.0mm ±2.0mm ±2.0mm ±2.0mm Φ70mm-Φ80mm ±3.0mm ±3.0mm ±3.0mm ±3.0mm Remarks: above data is only referential to you, we can also make it according to the customers request or different formula.