PET vs. PA 11
Both PET and PA 11 are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is PET and the bottom bar is PA 11.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.5 to 11 | |
| 0.4 to 1.3 |
| Elongation at Break, % | 2.5 to 70 | |
| 80 to 130 |
| Tensile Strength: Ultimate (UTS), MPa | 60 to 140 | |
| 25 to 51 |
Thermal Properties
| Melting Onset (Solidus), °C | 260 | |
| 180 |
| Specific Heat Capacity, J/kg-K | 1000 to 1150 | |
| 1740 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.4 to 1.6 | |
| 1.0 |
| Limiting Oxygen Index (LOI), % | 21 | |
| 29 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.2 to 4.4 | |
| 0.22 to 0.71 |
| Stiffness to Weight: Bending, points | 32 to 54 | |
| 24 to 36 |
| Strength to Weight: Axial, points | 12 to 27 | |
| 6.7 to 14 |
| Strength to Weight: Bending, points | 25 to 41 | |
| 18 to 30 |