| Phase | Temperature range (˚C) |
| Loss of absorbed water | 80 - 130 |
| Dehydration of calcium aluminate and aluminosilicate hydrate | 300 - 350 |
| Dehydration of residual portlandite | 450 - 550 |
| Crystallization of β-C2S | 590 - 760 |
| Β-C2S transformation to α’-C2S | 790 - 860 |