| Les valeurs typiques | |
| SiO2 : | 99,95% |
| Al2O3 : | 140ppm |
| Fe2O3 : | 20ppm |
| Na2O : | 25ppm |
| K2O : | 25ppm |
| TiO2 | 16ppm |
| L'ACO : | 18ppm |
| MgO : | 10ppm |
| 8-5mm | 5-3mm | 3-1mm | 1-0mm |
| 4-20 mesh | 50-100 mesh | 100-200 Mesh | |
| 10-20 mesh | 20-40 mesh | 40-70 mesh |