China 99% Inert Alumina Ceramic Balls, Find details about China Inert Ceramic Balls, Powdered Alumina from 99% Inert Alumina Ceramic Balls
| Index | Inert Ceramic Ball | 90 Series | 95 Series |
| Alumina % | 21-23 | min 90 | min 95 |
| SiO2% | 65-75 | max 6 | max 2 |
| Fe2O3 | max 1 | max 0.3 | max 0.15 |
| Compressive Strength (Dia 13mm) | min 2700 (N/Grain) | min 2000 | min 2000 |
| Water Absorption % | max 1 | max 3 | max 3 |
| Bulk Density g/cm3 | 2.3-2.4 | min 2.8 | min 3.1 |
| Stacking Density | 1.3-1.4 | min 1.7 | min 1.9 |