| Term | Effect | Coefficient | SEcoef | p-value |
| Constant | ***** | 23.30 | 0.15 | 0.000 |
| Composition | −6.04 | −3.02 | 0.000 | |
| Hardening | −2.84 | −1.42 | 0.000 | |
| Curing | −4.98 | −2.49 | 0.000 | |
| Composition × Hardening | 4.03 | 2.01 | 0.000 | |
| Composition × Curing | 4.55 | 2.28 | 0.000 | |
| Hardening × Curing | 4.65 | 2.33 | 0.000 | |
| Composition × Hardening × Curing | −4.62 | −2.31 | 0.000 |