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| Material | Shore hardness A | |||||
|---|---|---|---|---|---|---|
| Control | HPO | AU 121 | ||||
| Mean | SD | Mean | SD | Mean | SD | |
| Elastic 50 | 55.67 | 1.15 | 57.00 | 1.00 | 57.67 | 1.15 |
| Elastic Clear | 25.67 | 0.58 | 30.33 | 1.53 | 27.67 | 1.53 |
| Flexible 80 | 67.33 | 2.52 | 72.67 | 1.15 | 72.67 | 1.53 |
| TPU | 63.00 | 1.73 | 62.00 | 2.00 | – | – |
Abbreviation: SD, standard deviation; TPU, thermoplastic polyurethane.
