PMMA vs. Ionomer
Both PMMA and ionomer are thermoplastics. There are 12 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 PMMA and the bottom bar is ionomer.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.2 | |
| 0.4 |
| Elongation at Break, % | 4.0 | |
| 350 |
| Tensile Strength: Ultimate (UTS), MPa | 71 | |
| 37 |
Thermal Properties
| Melting Onset (Solidus), °C | 180 | |
| 94 |
| Vicat Softening Temperature, °C | 90 | |
| 72 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 3.6 | |
| 2.4 |
| Dielectric Strength (Breakdown Potential), kV/mm | 30 | |
| 39 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.2 | |
| 0.94 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.5 | |
| 0.24 |
| Stiffness to Weight: Bending, points | 42 | |
| 26 |
| Strength to Weight: Axial, points | 17 | |
| 11 |
| Strength to Weight: Bending, points | 32 | |
| 26 |