| IQS 5-1984 Limitations of the Normal Cement | By Weight % | Oxides, Cyclones | Compound Composition |
|---|---|---|---|
| ---- | 20.37 | SiO2 | Silica |
| ---- | 5.15 | Al2O3 | Alumina |
| ---- | 4.39 | Fe2O3 | Iron Oxide |
| ---- | 63.11 | CaO | Lime |
| Less than 5% | 1.68 | MgO | Magnesia |
| Less than 2.8% | 2.57 | SO3 | Sulfate |
| Less than 4% | 2.72 | L.O.I | Loss on ignition |
| ---- | 1.12 | -- | Free lime |
| 0.66 to 1.02 | 0.92 | L.S.F | Lime saturation factor |
| Less than 1.5 | 0.69 | I.R | Insoluble residue |
| Main compounds(Bougue's equation) | |||
| 6. 22 | C3A | Tricalcium aluminates | |
| 49.23 | C3S | Tricalcium silicate | |
| 21.5 | C2S | Dicalcium silicate | |
| 13.34 | C4AF | Tricalcium alumina | |