PBT vs. PSU
Both PBT and PSU are thermoplastics. There are 9 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 PBT and the bottom bar is PSU.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.3 to 1.5 | |
| 1.2 to 1.6 |
| Elongation at Break, % | 2.5 to 43 | |
| 2.0 to 52 |
| Flexural Modulus, GPa | 2.6 to 9.1 | |
| 2.7 to 14 |
| Flexural Strength, MPa | 79 to 210 | |
| 110 to 200 |
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 4.0 | |
| 180 to 200 |
| Specific Heat Capacity, J/kg-K | 1040 to 1200 | |
| 910 to 1000 |
| Strength to Weight: Axial, points | 12 to 25 | |
| 16 to 25 |
| Strength to Weight: Bending, points | 25 to 38 | |
| 30 to 40 |
| Tensile Strength: Ultimate (UTS), MPa | 58 to 140 | |
| 70 to 140 |