PP Homopolymer vs. PAI
Both PP homopolymer and PAI are thermoplastics. There are 15 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 PP homopolymer and the bottom bar is PAI.
Metric UnitsUS Customary Units
Mechanical Properties
| Compressive (Crushing) Strength, MPa | 45 to 64 | |
| 260 to 300 |
| Elongation at Break, % | 3.0 to 80 | |
| 3.0 to 12 |
| Flexural Modulus, GPa | 1.5 to 7.0 | |
| 4.0 to 6.8 |
| Flexural Strength, MPa | 41 to 100 | |
| 160 to 320 |
| Impact Strength: Notched Izod, J/m | 42 to 95 | |
| 45 to 140 |
| Tensile Strength: Ultimate (UTS), MPa | 36 to 93 | |
| 100 to 180 |
Thermal Properties
| Glass Transition Temperature, °C | 170 | |
| 280 |
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 73 to 160 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 260 |
| Specific Heat Capacity, J/kg-K | 1230 to 1900 | |
| 910 to 1000 |
| Thermal Expansion, µm/m-K | 30 to 90 | |
| 15 to 34 |
Otherwise Unclassified Properties
| Density, g/cm3 | 0.91 to 1.2 | |
| 1.4 to 1.6 |
| Water Absorption At Saturation, % | 0.010 to 0.090 | |
| 1.5 to 1.7 |
Common Calculations
| Strength to Weight: Axial, points | 11 to 21 | |
| 19 to 34 |
| Strength to Weight: Bending, points | 27 to 37 | |
| 33 to 49 |