PBT vs. PMP
Both PBT and PMP are thermoplastics. There are 11 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 PBT and the bottom bar is PMP.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 2.7 to 8.7 | |
| 1.1 |
| Elongation at Break, % | 2.5 to 43 | |
| 30 |
| Tensile Strength: Ultimate (UTS), MPa | 58 to 140 | |
| 24 |
Thermal Properties
| Glass Transition Temperature, °C | 40 | |
| 30 |
| Melting Onset (Solidus), °C | 230 | |
| 230 |
| Specific Heat Capacity, J/kg-K | 1040 to 1200 | |
| 1750 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 to 1.5 | |
| 0.83 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.1 to 3.2 | |
| 0.74 |
| Stiffness to Weight: Bending, points | 35 to 45 | |
| 41 |
| Strength to Weight: Axial, points | 12 to 25 | |
| 8.0 |
| Strength to Weight: Bending, points | 25 to 38 | |
| 22 |