PSU vs. PC
Both PSU and PC are thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is PSU and the bottom bar is PC.
Metric UnitsUS Customary Units
Mechanical Properties
| Elongation at Break, % | 2.0 to 52 | |
| 3.5 to 110 |
| Flexural Modulus, GPa | 2.7 to 14 | |
| 2.3 to 10 |
| Flexural Strength, MPa | 110 to 200 | |
| 92 to 160 |
| Impact Strength: Notched Izod, J/m | 59 to 100 | |
| 140 to 440 |
| Rockwell M Hardness | 69 to 95 | |
| 68 to 120 |
| Tensile Strength: Ultimate (UTS), MPa | 70 to 140 | |
| 66 to 160 |
Thermal Properties
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 180 to 200 | |
| 130 to 150 |
| Specific Heat Capacity, J/kg-K | 910 to 1000 | |
| 1000 to 1200 |
| Thermal Expansion, µm/m-K | 25 to 57 | |
| 10 to 69 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.2 to 1.6 | |
| 1.2 to 1.4 |
| Water Absorption At Saturation, % | 0.4 to 0.6 | |
| 0.16 to 0.19 |
Common Calculations
| Strength to Weight: Axial, points | 16 to 25 | |
| 15 to 30 |
| Strength to Weight: Bending, points | 30 to 40 | |
| 30 to 45 |