| Soft Material | Contact Time tc (msec) | dε0/dt = V0/T (sec−1) |
| Ager Jelly | 0.5 | 91 |
| Gel Sheet | 0.8 | 136 |
| Konjac | 0.8 | 68 |
| Oil Clay | 0.4 | 273 |
| Oil Clay | 1.0 | 136 |
| NBR | 0.5 | 91 |
| Low-Rebound Urethane Foam | 0.7 | 68 |