MDPE vs. PEEK
Both MDPE and PEEK 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 MDPE and the bottom bar is PEEK.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 0.93 | |
| 1.3 to 1.5 |
| Elastic (Young's, Tensile) Modulus, GPa | 0.6 | |
| 4.0 to 24 |
| Glass Transition Temperature, °C | -80 | |
| 240 |
| Melting Onset (Solidus), °C | 120 | |
| 340 |
| Specific Heat Capacity, J/kg-K | 2350 | |
| 1390 to 1700 |
| Stiffness to Weight: Axial, points | 0.36 | |
| 1.5 to 10 |
| Stiffness to Weight: Bending, points | 30 | |
| 36 to 73 |
| Thermal Conductivity, W/m-K | 0.4 | |
| 0.25 to 0.93 |
| Thermal Diffusivity, mm2/s | 0.18 | |
| 0.1 to 0.51 |