PEI vs. PA 4/6
Both PEI and PA 4/6 are thermoplastics. There are 8 material properties with values for both materials. Properties with values for just one material (23, in this case) are not shown.
For each property being compared, the top bar is PEI and the bottom bar is PA 4/6.
Metric UnitsUS Customary Units
Material Properties
| Dielectric Constant (Relative Permittivity) At 1 MHz | 3.2 to 3.7 | |
| 3.6 to 4.7 |
| Dielectric Strength (Breakdown Potential), kV/mm | 30 to 33 | |
| 15 to 30 |
| Elastic (Young's, Tensile) Modulus, GPa | 3.4 to 5.6 | |
| 1.0 to 16 |
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 14 to 15 | |
| 7.0 to 13 |
| Elongation at Break, % | 3.0 to 34 | |
| 2.5 to 50 |
| Flexural Modulus, GPa | 3.4 to 5.9 | |
| 0.9 to 14 |
| Flexural Strength, MPa | 140 to 210 | |
| 50 to 350 |
| Tensile Strength: Ultimate (UTS), MPa | 110 to 160 | |
| 120 to 250 |