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Mechanical properties of PUs with different hard segment contents [75].
| Type of PU | Rm (MPa) | E (MPa) | ε (%) | Hardness (°Sh D) |
|---|---|---|---|---|
| PU2PCL2000 | >24 ± 1 | 39 ± 1 | >763 ± 41 | 41 ± 2 |
| PU2PCL1250 | 23 ± 2 | 17 ± 3 | 643 ± 40 | 22 ± 1 |
| PU4PCL2000 | 33 ± 3 | 36 ± 2 | 440 ± 56 | 27 ± 2 |
| PU4PCL1250 | 48 ± 3 | 39 ± 2 | 356 ± 11 | 38 ± 2 |
| PU2PCL530 | 41 ± 2 | 38 ± 0.9 | 420 ± 28 | 43 ± 2 |
| PU4PCL530 | 1.6 ± 0.4 | 32 ± 0.4 | - | 61 ± 3 |
