PHB vs. PBT
Both PHB and PBT are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is PHB and the bottom bar is PBT.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 1.3 | |
2.7 to 8.7 |
Elongation at Break, % | 7.5 | |
2.5 to 43 |
Flexural Strength, MPa | 20 | |
79 to 210 |
Tensile Strength: Ultimate (UTS), MPa | 30 | |
58 to 140 |
Thermal Properties
Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 60 | |
4.0 |
Melting Onset (Solidus), °C | 180 | |
230 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.3 | |
1.3 to 1.5 |
Common Calculations
Stiffness to Weight: Axial, points | 0.58 | |
1.1 to 3.2 |
Stiffness to Weight: Bending, points | 29 | |
35 to 45 |
Strength to Weight: Axial, points | 6.7 | |
12 to 25 |
Strength to Weight: Bending, points | 17 | |
25 to 38 |