| Typische Werte | |
| SiO2: | 99,95 % |
| Al2O3: | 140ppm |
| Fe2O3: | 20ppm |
| Na2O: | 25ppm |
| K2O: | 25ppm |
| TiO2 | 16ppm |
| Cao: | 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 |