PEI vs. Ionomer
Both PEI and ionomer are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (22, in this case) are not shown.
For each property being compared, the top bar is PEI and the bottom bar is ionomer.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.3 to 1.5 | |
| 0.94 |
| Dielectric Strength (Breakdown Potential), kV/mm | 30 to 33 | |
| 39 |
| Elastic (Young's, Tensile) Modulus, GPa | 3.4 to 5.6 | |
| 0.4 |
| Elongation at Break, % | 3.0 to 34 | |
| 350 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 75 |
| Stiffness to Weight: Axial, points | 1.5 to 2.1 | |
| 0.24 |
| Stiffness to Weight: Bending, points | 39 | |
| 26 |
| Strength to Weight: Axial, points | 24 to 30 | |
| 11 |
| Strength to Weight: Bending, points | 40 to 44 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 110 to 160 | |
| 37 |