PET vs. PPS
Both PET and PPS are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is PET and the bottom bar is PPS.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.4 to 1.6 | |
| 1.3 to 1.7 |
| Elongation at Break, % | 2.5 to 70 | |
| 2.5 to 11 |
| Flexural Modulus, GPa | 8.3 to 14 | |
| 13 to 17 |
| Glass Transition Temperature, °C | 70 | |
| 190 to 290 |
| Impact Strength: Notched Izod, J/m | 43 to 85 | |
| 21 to 80 |
| Specific Heat Capacity, J/kg-K | 1000 to 1150 | |
| 910 to 1000 |
| Strength to Weight: Axial, points | 12 to 27 | |
| 16 to 37 |
| Strength to Weight: Bending, points | 25 to 41 | |
| 30 to 52 |
| Tensile Strength: Ultimate (UTS), MPa | 60 to 140 | |
| 75 to 190 |
| Water Absorption At Saturation, % | 0.24 to 0.5 | |
| 0.060 to 0.1 |