PS vs. ABS
Both PS and ABS are thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is PS and the bottom bar is ABS.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 1.9 to 2.9 | |
| 2.0 to 2.6 |
| Elongation at Break, % | 1.8 to 40 | |
| 3.5 to 50 |
| Flexural Strength, MPa | 62 to 80 | |
| 72 to 97 |
| Impact Strength: Notched Izod, J/m | 19 to 45 | |
| 70 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 32 to 44 | |
| 37 to 110 |
Thermal Properties
| Thermal Expansion, µm/m-K | 80 to 98 | |
| 81 to 95 |
Electrical Properties
| Dielectric Strength (Breakdown Potential), kV/mm | 18 to 20 | |
| 15 to 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.0 | |
| 1.0 to 1.4 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.0 to 1.5 | |
| 0.79 to 1.4 |
| Stiffness to Weight: Bending, points | 40 to 45 | |
| 30 to 44 |
| Strength to Weight: Axial, points | 8.5 to 12 | |
| 10 to 22 |
| Strength to Weight: Bending, points | 22 to 26 | |
| 24 to 37 |
| Thermal Shock Resistance, points | 11 to 15 | |
| 11 to 50 |