PPS vs. PBT
Both PPS and PBT are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is PPS and the bottom bar is PBT.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.3 to 1.7 | |
| 1.3 to 1.5 |
| Elongation at Break, % | 2.5 to 11 | |
| 2.5 to 43 |
| Flexural Modulus, GPa | 13 to 17 | |
| 2.6 to 9.1 |
| Flexural Strength, MPa | 120 to 190 | |
| 79 to 210 |
| Glass Transition Temperature, °C | 190 to 290 | |
| 40 |
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 130 to 260 | |
| 4.0 |
| Specific Heat Capacity, J/kg-K | 910 to 1000 | |
| 1040 to 1200 |
| Strength to Weight: Axial, points | 16 to 37 | |
| 12 to 25 |
| Strength to Weight: Bending, points | 30 to 52 | |
| 25 to 38 |
| Tensile Strength: Ultimate (UTS), MPa | 75 to 190 | |
| 58 to 140 |