ABS vs. PAI
Both ABS and PAI are thermoplastics. There are 14 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is ABS and the bottom bar is PAI.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 2.0 to 2.6 | |
| 4.0 to 8.3 |
| Elongation at Break, % | 3.5 to 50 | |
| 3.0 to 12 |
| Flexural Modulus, GPa | 2.1 to 7.6 | |
| 4.0 to 6.8 |
| Flexural Strength, MPa | 72 to 97 | |
| 160 to 320 |
| Impact Strength: Notched Izod, J/m | 70 to 370 | |
| 45 to 140 |
| Tensile Strength: Ultimate (UTS), MPa | 37 to 110 | |
| 100 to 180 |
Thermal Properties
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 76 to 110 | |
| 280 |
| Thermal Expansion, µm/m-K | 81 to 95 | |
| 15 to 34 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.0 to 1.4 | |
| 1.4 to 1.6 |
Common Calculations
| Stiffness to Weight: Axial, points | 0.79 to 1.4 | |
| 1.6 to 3.2 |
| Stiffness to Weight: Bending, points | 30 to 44 | |
| 38 to 47 |
| Strength to Weight: Axial, points | 10 to 22 | |
| 19 to 34 |
| Strength to Weight: Bending, points | 24 to 37 | |
| 33 to 49 |
| Thermal Shock Resistance, points | 11 to 50 | |
| 48 to 110 |