Table 2.
Mechanical properties of PEKK and other prosthetic materials.
| Properties | PEEK | PEKK | Titanium | PMMA | Reference |
|---|---|---|---|---|---|
| Tensile strength (MPa) | 100.69 | 115 | 240–890 | 48–62 Mpa | [24] |
| Elastic modulus (GPa) | 3.5 | 5.1 | 103–114 | 3.8 × 103 | [24] |
| Flexural strength (MPa) | 163.88 | 200 | 65 | 107–117 | [3], [23], [24] |
| Compressive strength (MPa) | 118–169 | 246 | 130–170 | 76 Mpa | [24] |
| Melting temperature (°C) | 334–350 | 363–386 | 1650–1670 | 160 | [24], [25] |
| Hardness | 26–29 VHN | 252 MPa | 90 VHN | 89–95 MPa | [24] |
| Water absorption (µg/mm3) | 0.1–0.5 | 8.7 | 0.04 | 0.1–0.3 | [24], [26] |
| Density (g/cm3) | 1.3 | FEFF1.3 | 4.4–4.5 | 1.16–1.18 g/cc | [24] |