| Material | Density | Modulus of Elasticity | Wave Speed |
| Aluminum | 2700 kg/m3 | 71 Gpa | 5128 m/s |
| Plastic | 1520 kg/m3 | 3 Gpa | 1405 m/s |
| MearthaneDurethane | 1150 kg/m3 | 0.000345 Gpa | 17/s |