Table 1. Properties of the materials used to print the liver model.
| Material property | Silicone rubber (structure) | PDMS oil (filler fluid) | PLA (support) |
|---|---|---|---|
| Color | Translucent | Red | Black |
| Density (g/cm3) | 1.01 | 1.00 | 1.24 |
| Viscosity (Pa·s) | 410 | 100 | N/A |
| Shore hardness | A 18 | N/A | Approximately D 70 |
| Tensile strength (MPa) | 1.10 | N/A | 60 |
| Elongation at break (%) | 400 | N/A | 160 |
| Printing temperature (°C) | Room temperature | Room temperature | 200 |
| Shear thinning / shape holding | Yes | No | N/A |
| Pot life | Approximately 10 min | Inf. | N/A |
| Cure time | Approximately 24 h | Inf. | N/A |