PPO vs. PPA
Both PPO and PPA are thermoplastics. There are 10 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 PPO and the bottom bar is PPA.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.1 to 1.4 | |
| 1.1 |
| Elongation at Break, % | 3.5 to 28 | |
| 30 |
| Flexural Modulus, GPa | 2.5 to 8.6 | |
| 2.3 to 2.4 |
| Flexural Strength, MPa | 92 to 140 | |
| 95 to 110 |
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 120 to 140 | |
| 120 |
| Specific Heat Capacity, J/kg-K | 1020 to 1250 | |
| 1400 |
| Strength to Weight: Axial, points | 16 to 27 | |
| 14 to 17 |
| Strength to Weight: Bending, points | 33 to 42 | |
| 29 to 33 |
| Tensile Strength: Ultimate (UTS), MPa | 63 to 140 | |
| 57 to 69 |
| Water Absorption After 24 Hours, % | 0.060 to 0.070 | |
| 0.7 |