PS vs. PSU
Both PS and PSU are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (21, in this case) are not shown.
For each property being compared, the top bar is PS and the bottom bar is PSU.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.0 | |
| 1.2 to 1.6 |
| Elongation at Break, % | 1.8 to 40 | |
| 2.0 to 52 |
| Flexural Strength, MPa | 62 to 80 | |
| 110 to 200 |
| Impact Strength: Notched Izod, J/m | 19 to 45 | |
| 59 to 100 |
| Specific Heat Capacity, J/kg-K | 1250 to 1400 | |
| 910 to 1000 |
| Strength to Weight: Axial, points | 8.5 to 12 | |
| 16 to 25 |
| Strength to Weight: Bending, points | 22 to 26 | |
| 30 to 40 |
| Tensile Strength: Ultimate (UTS), MPa | 32 to 44 | |
| 70 to 140 |
| Thermal Expansion, µm/m-K | 80 to 98 | |
| 25 to 57 |