PAI vs. PPS
Both PAI and PPS are thermoplastics. There are 14 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is PAI and the bottom bar is PPS.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 260 to 300 | |
| 95 to 160 |
| Elongation at Break, % | 3.0 to 12 | |
| 2.5 to 11 |
| Flexural Modulus, GPa | 4.0 to 6.8 | |
| 13 to 17 |
| Flexural Strength, MPa | 160 to 320 | |
| 120 to 190 |
| Impact Strength: Notched Izod, J/m | 45 to 140 | |
| 21 to 80 |
| Tensile Strength: Ultimate (UTS), MPa | 100 to 180 | |
| 75 to 190 |
Thermal Properties
| Glass Transition Temperature, °C | 280 | |
| 190 to 290 |
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 280 | |
| 130 to 260 |
| Specific Heat Capacity, J/kg-K | 910 to 1000 | |
| 910 to 1000 |
| Thermal Expansion, µm/m-K | 15 to 34 | |
| 20 to 45 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.4 to 1.6 | |
| 1.3 to 1.7 |
| Water Absorption At Saturation, % | 1.5 to 1.7 | |
| 0.060 to 0.1 |
Common Calculations
| Strength to Weight: Axial, points | 19 to 34 | |
| 16 to 37 |
| Strength to Weight: Bending, points | 33 to 49 | |
| 30 to 52 |