PBI vs. MDPE
PBI belongs to the thermoset plastics classification, while MDPE belongs to the thermoplastics. 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 PBI and the bottom bar is MDPE.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.3 | |
| 0.93 |
| Dielectric Constant (Relative Permittivity) At 1 Hz | 3.4 | |
| 2.3 |
| Elastic (Young's, Tensile) Modulus, GPa | 5.9 | |
| 0.6 |
| Glass Transition Temperature, °C | 410 | |
| -80 |
| Specific Heat Capacity, J/kg-K | 930 | |
| 2350 |
| Stiffness to Weight: Axial, points | 2.5 | |
| 0.36 |
| Stiffness to Weight: Bending, points | 46 | |
| 30 |
| Thermal Conductivity, W/m-K | 0.41 | |
| 0.4 |
| Thermal Diffusivity, mm2/s | 0.34 | |
| 0.18 |