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Mechanical properties of SPU films with different HDI-T contents.
| HDI-T Content (%) | Young’s Modulus (MPa) | Tensile Strength (MPa) | Elongation at Break (%) | Pencil Hardness |
|---|---|---|---|---|
| 0 | 0.41 | 0.15 | 1019.7 | HB |
| 5 | 0.53 | 0.18 | 894.6 | H |
| 10 | 1.02 | 0.38 | 644.5 | 2H |
| 15 | 1.36 | 0.48 | 572.3 | 2H |
| 20 | 1.77 | 0.55 | 471.4 | 2H |
