PBI vs. PGA
PBI belongs to the thermoset plastics classification, while PGA belongs to the thermoplastics. 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 PBI and the bottom bar is PGA.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.3 | |
| 1.5 |
| Elastic (Young's, Tensile) Modulus, GPa | 5.9 | |
| 6.5 |
| Elongation at Break, % | 3.0 | |
| 1.0 |
| Maximum Temperature: Decomposition, °C | 590 | |
| 260 |
| Stiffness to Weight: Axial, points | 2.5 | |
| 2.4 |
| Stiffness to Weight: Bending, points | 46 | |
| 41 |
| Strength to Weight: Axial, points | 34 | |
| 10 |
| Strength to Weight: Bending, points | 50 | |
| 21 |
| Tensile Strength: Ultimate (UTS), MPa | 160 | |
| 55 |