PEEK vs. PA 11
Both PEEK and PA 11 are thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.
For each property being compared, the top bar is PEEK and the bottom bar is PA 11.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 4.0 to 24 | |
| 0.4 to 1.3 |
| Elongation at Break, % | 1.6 to 43 | |
| 80 to 130 |
| Tensile Strength: Ultimate (UTS), MPa | 97 to 200 | |
| 25 to 51 |
Thermal Properties
| Melting Onset (Solidus), °C | 340 | |
| 180 |
| Specific Heat Capacity, J/kg-K | 1390 to 1700 | |
| 1740 |
| Thermal Conductivity, W/m-K | 0.25 to 0.93 | |
| 0.28 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 to 1.5 | |
| 1.0 |
| Limiting Oxygen Index (LOI), % | 38 | |
| 29 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.5 to 10 | |
| 0.22 to 0.71 |
| Stiffness to Weight: Bending, points | 36 to 73 | |
| 24 to 36 |
| Strength to Weight: Axial, points | 20 to 41 | |
| 6.7 to 14 |
| Strength to Weight: Bending, points | 36 to 55 | |
| 18 to 30 |
| Thermal Diffusivity, mm2/s | 0.1 to 0.51 | |
| 0.16 |