PEEK vs. PHB
Both PEEK and PHB are thermoplastics. There are 14 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 PHB.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 4.0 to 24 | |
| 1.3 |
| Elongation at Break, % | 1.6 to 43 | |
| 7.5 |
| Flexural Strength, MPa | 150 to 330 | |
| 20 |
| Tensile Strength: Ultimate (UTS), MPa | 97 to 200 | |
| 30 |
Thermal Properties
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 160 to 300 | |
| 60 |
| Maximum Temperature: Mechanical, °C | 330 | |
| 120 |
| Melting Onset (Solidus), °C | 340 | |
| 180 |
Electrical Properties
| Electrical Resistivity Order of Magnitude, 10x Ω-m | 3.0 to 14 | |
| 14 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 to 1.5 | |
| 1.3 |
| Water Absorption After 24 Hours, % | 0.060 to 0.3 | |
| 0.75 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.5 to 10 | |
| 0.58 |
| Stiffness to Weight: Bending, points | 36 to 73 | |
| 29 |
| Strength to Weight: Axial, points | 20 to 41 | |
| 6.7 |
| Strength to Weight: Bending, points | 36 to 55 | |
| 17 |