PEI vs. PGA
Both PEI and PGA are 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 PEI and the bottom bar is PGA.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.3 to 1.5 | |
| 1.5 |
| Elastic (Young's, Tensile) Modulus, GPa | 3.4 to 5.6 | |
| 6.5 |
| Elongation at Break, % | 3.0 to 34 | |
| 1.0 |
| Maximum Temperature: Decomposition, °C | 530 | |
| 260 |
| Stiffness to Weight: Axial, points | 1.5 to 2.1 | |
| 2.4 |
| Stiffness to Weight: Bending, points | 39 | |
| 41 |
| Strength to Weight: Axial, points | 24 to 30 | |
| 10 |
| Strength to Weight: Bending, points | 40 to 44 | |
| 21 |
| Tensile Strength: Ultimate (UTS), MPa | 110 to 160 | |
| 55 |