Table 2. Mechanical Properties of Casting Materials.
| Materials | Function | Tensile strength (MPa) | % Elongation at Break | Young's elastic modulus | Hardness |
|---|---|---|---|---|---|
| PDMS (Dow Corning, Sylgard 184, Midland, MI) | M-V | 7.1 | 140 | 200 - 1600 kPa | Medium Stiffness Shore 20A-50A |
| Ensinger Delrin 150 Homopolymer Acetal (POM) | M-V | 75.8 | 0.25 | 3.1 GPa | Rockwell R120 |
| Polyester | M | 10.0 - 123 | 0.500 - 2.40% | 1.00 - 10.6 GPa | 5.00 - 68.0 Barcol (80+ Shore D) |
| Silastic tubing (Dow Corning, Midland, Michigan) | V | 7.1-9.6 | 568-815 | 2.1 - 4 MPa | Shore A 50-78 |
| Silicone SILPURAN 2420 | M-V | 3.5 | 680% | - | Shore: 12A or 60 00 |
| PTFE | V | 20.0 - 35.0 | 200 - 550% | 0.39 - 0.60 GPa | 50-65 Shore D |
| Agar [48] | M | 3.25 | 6.8% | 20 GPa | - |
| M: Matrix; V: Vessel. | |||||