PORTLAND CEMENT CLINKER
Portland cement clinker is a dark grey nodular material made by heating ground limestone, laterite and clay at a temperature of about 1400°C. The nodules are ground up to a fine powder to produce cement.
Chemical Characteristics
| Parameters | Market Average | Reliance Clinker |
| Tricalcium Silicate (C3S) % | 47 – 50 | > 50 |
| Tricalcium Aluminate (C3A) % | 8 – 10 | 9 – 11 |
| Total Alkali: | ||
| K2O% | 0.7 – 1.1 | 1.0 +/- 0.1 |
| Na2O% | 0.25 – 0.4 | 0.25 +/- 0.05 |