PPO vs. PSU
Both PPO and PSU 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 PPO and the bottom bar is PSU.
Metric UnitsUS Customary Units
Mechanical Properties
| Elongation at Break, % | 3.5 to 28 | |
| 2.0 to 52 |
| Flexural Modulus, GPa | 2.5 to 8.6 | |
| 2.7 to 14 |
| Flexural Strength, MPa | 92 to 140 | |
| 110 to 200 |
| Impact Strength: Notched Izod, J/m | 80 to 270 | |
| 59 to 100 |
| Tensile Strength: Ultimate (UTS), MPa | 63 to 140 | |
| 70 to 140 |
Thermal Properties
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 120 to 140 | |
| 180 to 200 |
| Specific Heat Capacity, J/kg-K | 1020 to 1250 | |
| 910 to 1000 |
| Thermal Expansion, µm/m-K | 25 to 60 | |
| 25 to 57 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.1 to 1.4 | |
| 1.2 to 1.6 |
Common Calculations
| Strength to Weight: Axial, points | 16 to 27 | |
| 16 to 25 |
| Strength to Weight: Bending, points | 33 to 42 | |
| 30 to 40 |