ASA vs. PPA
Both ASA and PPA are thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is ASA and the bottom bar is PPA.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 2.6 | |
| 2.1 to 2.2 |
| Elongation at Break, % | 6.0 | |
| 30 |
| Tensile Strength: Ultimate (UTS), MPa | 55 | |
| 57 to 69 |
Thermal Properties
| Glass Transition Temperature, °C | 100 | |
| 92 to 130 |
| Specific Heat Capacity, J/kg-K | 1300 | |
| 1400 |
| Thermal Conductivity, W/m-K | 0.18 | |
| 0.15 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.1 | |
| 1.1 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.3 | |
| 1.0 to 1.1 |
| Stiffness to Weight: Bending, points | 43 | |
| 38 |
| Strength to Weight: Axial, points | 14 | |
| 14 to 17 |
| Strength to Weight: Bending, points | 30 | |
| 29 to 33 |
| Thermal Diffusivity, mm2/s | 0.13 | |
| 0.095 |