PLA vs. ABS
Both PLA and ABS are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is PLA and the bottom bar is ABS.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.5 | |
| 2.0 to 2.6 |
| Elongation at Break, % | 6.0 | |
| 3.5 to 50 |
| Flexural Modulus, GPa | 4.0 | |
| 2.1 to 7.6 |
| Flexural Strength, MPa | 80 | |
| 72 to 97 |
| Tensile Strength: Ultimate (UTS), MPa | 50 | |
| 37 to 110 |
Thermal Properties
| Heat Deflection Temperature At 455 kPa (66 psi), °C | 65 | |
| 83 to 110 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 | |
| 1.0 to 1.4 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.6 | |
| 0.79 to 1.4 |
| Stiffness to Weight: Bending, points | 40 | |
| 30 to 44 |
| Strength to Weight: Axial, points | 11 | |
| 10 to 22 |
| Strength to Weight: Bending, points | 24 | |
| 24 to 37 |