ASA vs. PMMA
Both ASA and PMMA are thermoplastics. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is ASA and the bottom bar is PMMA.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 2.6 | |
| 3.2 |
| Elongation at Break, % | 6.0 | |
| 4.0 |
| Shear Modulus, GPa | 0.8 | |
| 1.7 |
| Tensile Strength: Ultimate (UTS), MPa | 55 | |
| 71 |
Thermal Properties
| Glass Transition Temperature, °C | 100 | |
| 110 |
| Specific Heat Capacity, J/kg-K | 1300 | |
| 1260 |
| Thermal Conductivity, W/m-K | 0.18 | |
| 0.19 |
| Thermal Expansion, µm/m-K | 95 | |
| 76 |
| Vicat Softening Temperature, °C | 96 | |
| 90 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 3.7 | |
| 3.6 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.1 | |
| 1.2 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.3 | |
| 1.5 |
| Stiffness to Weight: Bending, points | 43 | |
| 42 |
| Strength to Weight: Axial, points | 14 | |
| 17 |
| Strength to Weight: Bending, points | 30 | |
| 32 |
| Thermal Diffusivity, mm2/s | 0.13 | |
| 0.13 |
| Thermal Shock Resistance, points | 16 | |
| 21 |