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Spearman’s test correlation coefficient (rs) and level of significance (p) for each mechanical property.
| Mechanical Properties | rs | p |
|---|---|---|
| σmax (MPa) | −0.917 | 0.028 |
| Et (MPa) | +0.988 | 0.002 |
| εb (%) | −0.903 | 0.035 |
| σf (MPa) | +0.782 | 0.118 |
| Ef (MPa) | +0.993 | 0.001 |
| Shore D hardness | +0.977 | 0.004 |
| Impact strength (kJ/m2) | −0.839 | 0.032 |
