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Chemical and mineralogical compositions of cement.
| Element | Proportion, % |
|---|---|
| Chemical composition | |
| SiO2 | 21.03 |
| Al2O3 | 5.03 |
| Fe2O3 | 4.06 |
| MgO | 2.03 |
| CaO | 62.53 |
| SO3 | 2.44 |
| TiO3 | 0.064 |
| LOI | 2.2 |
| Na2O | 0.22 |
| K2O | 0.38 |
| Chlorine ion CI¯ | 0.016 |
| Mineralogical composition | |
| C3S | 68 |
| C2S | 14 |
| C3A | 7 |
| C4AF | 11 |
