| Days in water
Cements | 2 days | 7 days | 14 days | 28 days | 90 days |
| PC | 21.8 | 39.2 | 54.2 | 69.7 | 82.9 |
| PZI 20 | 12.5 | 27.1 | 38.4 | 50.4 | 60.0 |
| PZI 30 | 9.7 | 20.3 | 32.1 | 42.2 | 45.2 |
| PZI 35 | 7.9 | 18.3 | 27.8 | 36.8 | 39.1 |
| PZI 40 | 7.0 | 15.9 | 24.1 | 31.5 | 35.5 |