Table 1.
Physical and mechanical properties of PEEK [77].
| Material Properties | Typical Value |
|---|---|
| Density | 1.3 g/cm3 |
| Melting temperature | 343 °C |
| Glass transition temperature | 143 °C |
| Coefficient of thermal expansion | Average below Tg: 55 ppm/k Average above Tg: 140 ppm/k |
| Heat deflection temperature | 152 °C |
| Thermal conductivity | 0.32 W/ m.k |
| Young’s modulus | 4 GPa |
| Tensile strength | 100 MPa |
| Elongation at break | 45% |
| Flexural modulus | 3.9 GPa |
| Flexural strength | 162 MPa |
| Compressive modulus | 3.2 GPa |
| Compressive strength | 125 MPa |
| Shore D hardness | 84.5 |
| Water absorption | 0.45% |
| Flammability | V-0 |