| Silicon dioxide | Aluminium oxide | Iron(III) oxide | Calcium oxide | Potassium oxide |
| 42-58% | 23-32% | 3-15% | 2-8.5% | 0.5-4.6% |
Physical properties
| Grain density | 2.4 – 2.6 kg/dm³ |
| Bulk density | 1.05 – 1.4 kg/dm³ |
| Hardness | min. 6 Mohs |
Packaging
- • 42 X 25 kg paper bags on EURO-pallet (1.050 kg)
- • 1000/1500 kgs. in big bag
- • in bulk
