Table 4.
Chemical composition of the raw materials.
| Chemical Composition of Raw Materials (%) * | CEM I | FA | LF |
|---|---|---|---|
| Al2O3 | 5.24 | 24.7 | 0.13 |
| CaCO3 | - | - | 98.35 |
| CaO | 62.71 | 2.63 | - |
| Cl− | 0.01 | <0.01 | - |
| Fe2O3 | 3.17 | 5.40 | 0.03 |
| K2O | - | 1.11 | 0.02 |
| MgO | 2.23 | 1.01 | 0.40 |
| Na2O | - | 0.89 | - |
| SiO2 | 19.59 | 54.70 | 0.30 |
| SO3 | 3.13 | 1.38 | - |
| TiO2 | - | - | 0.01 |
| Insoluble residue | 1.37 | - | - |
| Loss of ignition | 2.94 | 5.10 | 43.80 |
* The data in this table correspond to indicative values provided by the suppliers. CEM I: cement type I; FA: fly ash; LF: limestone filer.