PPA vs. PVC-P
Both PPA and PVC-P are thermoplastics. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is PPA and the bottom bar is PVC-P.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 2.1 to 2.2 | |
| 1.4 |
| Elongation at Break, % | 30 | |
| 180 |
| Poisson's Ratio | 0.4 | |
| 0.39 |
| Tensile Strength: Ultimate (UTS), MPa | 57 to 69 | |
| 16 |
Thermal Properties
| Glass Transition Temperature, °C | 92 to 130 | |
| 75 |
| Maximum Temperature: Decomposition, °C | 450 | |
| 250 |
| Melting Onset (Solidus), °C | 310 | |
| 190 |
| Specific Heat Capacity, J/kg-K | 1400 | |
| 1400 |
| Thermal Conductivity, W/m-K | 0.15 | |
| 0.17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.1 | |
| 1.4 |
| Water Absorption After 24 Hours, % | 0.7 | |
| 0.45 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.0 to 1.1 | |
| 0.57 |
| Stiffness to Weight: Bending, points | 38 | |
| 28 |
| Strength to Weight: Axial, points | 14 to 17 | |
| 3.2 |
| Strength to Weight: Bending, points | 29 to 33 | |
| 10 |
| Thermal Diffusivity, mm2/s | 0.095 | |
| 0.090 |