PEI vs. PA 6/10
Both PEI and PA 6/10 are thermoplastics. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is PEI and the bottom bar is PA 6/10.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.4 to 5.6 | |
| 1.6 to 2.3 |
| Elongation at Break, % | 3.0 to 34 | |
| 110 to 120 |
| Flexural Modulus, GPa | 3.4 to 5.9 | |
| 1.4 to 2.0 |
| Flexural Strength, MPa | 140 to 210 | |
| 48 to 59 |
| Impact Strength: Notched Izod, J/m | 55 to 110 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 110 to 160 | |
| 45 to 60 |
Thermal Properties
| Maximum Temperature: Decomposition, °C | 530 | |
| 440 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 80 |
| Specific Heat Capacity, J/kg-K | 1050 to 1220 | |
| 1510 |
| Thermal Conductivity, W/m-K | 0.18 to 0.23 | |
| 0.23 |
Electrical Properties
| Dielectric Strength (Breakdown Potential), kV/mm | 30 to 33 | |
| 15 to 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 to 1.5 | |
| 1.1 |
| Limiting Oxygen Index (LOI), % | 47 to 50 | |
| 25 |
| Water Absorption After 24 Hours, % | 0.17 to 0.25 | |
| 0.26 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.5 to 2.1 | |
| 0.78 to 1.1 |
| Stiffness to Weight: Bending, points | 39 | |
| 34 to 39 |
| Strength to Weight: Axial, points | 24 to 30 | |
| 11 to 15 |
| Strength to Weight: Bending, points | 40 to 44 | |
| 25 to 30 |
| Thermal Diffusivity, mm2/s | 0.11 to 0.14 | |
| 0.13 |