PMMA vs. MDPE
Both PMMA and MDPE are thermoplastics. There are 11 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 MDPE.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.2 | |
| 0.6 |
| Shear Modulus, GPa | 1.7 | |
| 0.64 |
Thermal Properties
| Glass Transition Temperature, °C | 110 | |
| -80 |
| Melting Onset (Solidus), °C | 180 | |
| 120 |
| Specific Heat Capacity, J/kg-K | 1260 | |
| 2350 |
| Thermal Conductivity, W/m-K | 0.19 | |
| 0.4 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 3.6 | |
| 2.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.2 | |
| 0.93 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.5 | |
| 0.36 |
| Stiffness to Weight: Bending, points | 42 | |
| 30 |
| Thermal Diffusivity, mm2/s | 0.13 | |
| 0.18 |