PEEK vs. ABS
Both PEEK and ABS are thermoplastics. There are 15 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 PEEK and the bottom bar is ABS.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 4.0 to 24 | |
| 2.0 to 2.6 |
| Elongation at Break, % | 1.6 to 43 | |
| 3.5 to 50 |
| Flexural Modulus, GPa | 3.8 to 19 | |
| 2.1 to 7.6 |
| Flexural Strength, MPa | 150 to 330 | |
| 72 to 97 |
| Impact Strength: Notched Izod, J/m | 78 to 120 | |
| 70 to 370 |
| Rockwell R Hardness | 120 | |
| 100 to 110 |
| Tensile Strength: Ultimate (UTS), MPa | 97 to 200 | |
| 37 to 110 |
Thermal Properties
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 160 to 300 | |
| 76 to 110 |
| Thermal Expansion, µm/m-K | 15 to 52 | |
| 81 to 95 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 to 1.5 | |
| 1.0 to 1.4 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.5 to 10 | |
| 0.79 to 1.4 |
| Stiffness to Weight: Bending, points | 36 to 73 | |
| 30 to 44 |
| Strength to Weight: Axial, points | 20 to 41 | |
| 10 to 22 |
| Strength to Weight: Bending, points | 36 to 55 | |
| 24 to 37 |
| Thermal Shock Resistance, points | 34 to 57 | |
| 11 to 50 |