HDPE vs. PAI
Both HDPE and PAI are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is HDPE and the bottom bar is PAI.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.0 to 1.3 | |
| 1.4 to 1.6 |
| Elongation at Break, % | 2.5 to 100 | |
| 3.0 to 12 |
| Flexural Modulus, GPa | 4.0 to 7.5 | |
| 4.0 to 6.8 |
| Impact Strength: Notched Izod, J/m | 50 to 260 | |
| 45 to 140 |
| Maximum Temperature: Mechanical, °C | 90 | |
| 260 |
| Specific Heat Capacity, J/kg-K | 1330 to 2400 | |
| 910 to 1000 |
| Strength to Weight: Axial, points | 6.9 to 17 | |
| 19 to 34 |
| Strength to Weight: Bending, points | 19 to 32 | |
| 33 to 49 |
| Tensile Strength: Ultimate (UTS), MPa | 24 to 80 | |
| 100 to 180 |
| Water Absorption At Saturation, % | 0.1 to 0.3 | |
| 1.5 to 1.7 |