PETG vs. PHB
Both PETG and PHB are thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.
For each property being compared, the top bar is PETG and the bottom bar is PHB.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 2.2 | |
| 1.3 |
| Flexural Strength, MPa | 77 | |
| 20 |
| Tensile Strength: Ultimate (UTS), MPa | 53 | |
| 30 |
Thermal Properties
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 69 | |
| 60 |
| Melting Onset (Solidus), °C | 140 | |
| 180 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 2.6 | |
| 3.0 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 | |
| 1.3 |
| Water Absorption After 24 Hours, % | 0.2 | |
| 0.75 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.0 | |
| 0.58 |
| Stiffness to Weight: Bending, points | 34 | |
| 29 |
| Strength to Weight: Axial, points | 12 | |
| 6.7 |
| Strength to Weight: Bending, points | 25 | |
| 17 |