PEEK vs. MDPE
Both PEEK and MDPE are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (22, in this case) are not shown.
For each property being compared, the top bar is PEEK and the bottom bar is MDPE.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.3 to 1.5 | |
| 0.93 |
| Elastic (Young's, Tensile) Modulus, GPa | 4.0 to 24 | |
| 0.6 |
| Glass Transition Temperature, °C | 240 | |
| -80 |
| Melting Onset (Solidus), °C | 340 | |
| 120 |
| Specific Heat Capacity, J/kg-K | 1390 to 1700 | |
| 2350 |
| Stiffness to Weight: Axial, points | 1.5 to 10 | |
| 0.36 |
| Stiffness to Weight: Bending, points | 36 to 73 | |
| 30 |
| Thermal Conductivity, W/m-K | 0.25 to 0.93 | |
| 0.4 |
| Thermal Diffusivity, mm2/s | 0.1 to 0.51 | |
| 0.18 |