HDPE vs. Thermoplastic PI
Both HDPE and thermoplastic PI are thermoplastics. There are 7 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is HDPE and the bottom bar is thermoplastic PI.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.0 to 1.3 | |
| 1.4 to 1.5 |
| Elongation at Break, % | 2.5 to 100 | |
| 1.8 to 7.5 |
| Flexural Modulus, GPa | 4.0 to 7.5 | |
| 3.8 to 19 |
| Specific Heat Capacity, J/kg-K | 1330 to 2400 | |
| 970 to 1100 |
| Strength to Weight: Axial, points | 6.9 to 17 | |
| 22 to 42 |
| Strength to Weight: Bending, points | 19 to 32 | |
| 36 to 57 |
| Tensile Strength: Ultimate (UTS), MPa | 24 to 80 | |
| 110 to 220 |