LDPE vs. PPE
Both LDPE and PPE are thermoplastics. There are 16 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is LDPE and the bottom bar is PPE.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 0.3 | |
| 2.3 |
| Tensile Strength: Ultimate (UTS), MPa | 7.0 | |
| 55 |
Thermal Properties
| Glass Transition Temperature, °C | -130 | |
| 85 |
| Maximum Temperature: Autoignition, °C | 380 | |
| 430 |
| Melting Onset (Solidus), °C | 110 | |
| 260 |
| Specific Heat Capacity, J/kg-K | 2300 | |
| 1200 |
| Thermal Conductivity, W/m-K | 0.36 | |
| 0.22 |
| Thermal Expansion, µm/m-K | 220 | |
| 90 |
| Vicat Softening Temperature, °C | 50 | |
| 140 |
Otherwise Unclassified Properties
| Density, g/cm3 | 0.92 | |
| 1.1 |
Common Calculations
| Stiffness to Weight: Axial, points | 0.18 | |
| 1.2 |
| Stiffness to Weight: Bending, points | 24 | |
| 42 |
| Strength to Weight: Axial, points | 2.1 | |
| 14 |
| Strength to Weight: Bending, points | 8.8 | |
| 30 |
| Thermal Diffusivity, mm2/s | 0.17 | |
| 0.17 |
| Thermal Shock Resistance, points | 7.6 | |
| 19 |