MDPE vs. PBI
MDPE belongs to the thermoplastics classification, while PBI belongs to the thermoset plastics. There are 9 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown.
For each property being compared, the top bar is MDPE and the bottom bar is PBI.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 0.93 | |
| 1.3 |
| Dielectric Constant (Relative Permittivity) At 1 Hz | 2.3 | |
| 3.4 |
| Elastic (Young's, Tensile) Modulus, GPa | 0.6 | |
| 5.9 |
| Glass Transition Temperature, °C | -80 | |
| 410 |
| Specific Heat Capacity, J/kg-K | 2350 | |
| 930 |
| Stiffness to Weight: Axial, points | 0.36 | |
| 2.5 |
| Stiffness to Weight: Bending, points | 30 | |
| 46 |
| Thermal Conductivity, W/m-K | 0.4 | |
| 0.41 |
| Thermal Diffusivity, mm2/s | 0.18 | |
| 0.34 |