PS vs. PTT
Both PS and PTT are thermoplastics. There are 9 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 PS and the bottom bar is PTT.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.0 | |
| 1.3 |
| Elastic (Young's, Tensile) Modulus, GPa | 1.9 to 2.9 | |
| 2.5 |
| Elongation at Break, % | 1.8 to 40 | |
| 60 |
| Flexural Strength, MPa | 62 to 80 | |
| 100 |
| Stiffness to Weight: Axial, points | 1.0 to 1.5 | |
| 1.0 |
| Stiffness to Weight: Bending, points | 40 to 45 | |
| 34 |
| Strength to Weight: Axial, points | 8.5 to 12 | |
| 13 |
| Strength to Weight: Bending, points | 22 to 26 | |
| 26 |
| Tensile Strength: Ultimate (UTS), MPa | 32 to 44 | |
| 60 |