PTMT vs. PBI
PTMT 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 (20, in this case) are not shown.
For each property being compared, the top bar is PTMT and the bottom bar is PBI.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.3 | |
| 1.3 |
| Dielectric Constant (Relative Permittivity) At 1 Hz | 3.2 | |
| 3.4 |
| Dielectric Strength (Breakdown Potential), kV/mm | 17 | |
| 23 |
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 50 | |
| 430 |
| Impact Strength: Notched Izod, J/m | 53 | |
| 27 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 340 |
| Strength to Weight: Axial, points | 12 | |
| 34 |
| Strength to Weight: Bending, points | 25 | |
| 50 |
| Tensile Strength: Ultimate (UTS), MPa | 56 | |
| 160 |