PTT vs. PEEK
Both PTT and PEEK are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.
For each property being compared, the top bar is PTT and the bottom bar is PEEK.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 2.5 | |
| 4.0 to 24 |
| Elongation at Break, % | 60 | |
| 1.6 to 43 |
| Flexural Modulus, GPa | 2.8 | |
| 3.8 to 19 |
| Flexural Strength, MPa | 100 | |
| 150 to 330 |
| Tensile Strength: Ultimate (UTS), MPa | 60 | |
| 97 to 200 |
Thermal Properties
| Melting Onset (Solidus), °C | 230 | |
| 340 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 | |
| 1.3 to 1.5 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.0 | |
| 1.5 to 10 |
| Stiffness to Weight: Bending, points | 34 | |
| 36 to 73 |
| Strength to Weight: Axial, points | 13 | |
| 20 to 41 |
| Strength to Weight: Bending, points | 26 | |
| 36 to 55 |