Compound | Clay (%) | Waste glass (%) | Saw dust (%) |
SiO2 | 56.5 | 69.7 | 24.2 |
Al2O3 | 18.7 | 3.1 | 16.5 |
Fe2O3 | 7.2 | 0.2 | 1.7 |
MgO | 1.2 | 1.9 | 2.5 |
CaO | 1.8 | 9.5 | 33.3 |
K2O | Nill | 0.8 | 2.7 |
Na2O | 0.3 | 10.1 | 1.2 |
MnO | 0.7 | 0 | 2.3 |
Other oxides | 7.9 | 4.0 | 3.5 |
LOI | 5.7 | 0.7 | 12.2 |