PET vs. MDPE
Both PET and MDPE are thermoplastics. There are 8 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 PET and the bottom bar is MDPE.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.4 to 1.6 | |
| 0.93 |
| Dielectric Constant (Relative Permittivity) At 1 Hz | 3.7 | |
| 2.3 |
| Elastic (Young's, Tensile) Modulus, GPa | 3.5 to 11 | |
| 0.6 |
| Glass Transition Temperature, °C | 70 | |
| -80 |
| Melting Onset (Solidus), °C | 260 | |
| 120 |
| Specific Heat Capacity, J/kg-K | 1000 to 1150 | |
| 2350 |
| Stiffness to Weight: Axial, points | 1.2 to 4.4 | |
| 0.36 |
| Stiffness to Weight: Bending, points | 32 to 54 | |
| 30 |