LDPE vs. Spruce-pine-fir
LDPE belongs to the thermoplastics classification, while spruce-pine-fir belongs to the wood-based materials. There are 12 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is LDPE and the bottom bar is spruce-pine-fir.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 0.3 | |
| 16 |
| Shear Modulus, GPa | 0.21 | |
| 1.2 |
| Tensile Strength: Ultimate (UTS), MPa | 7.0 | |
| 85 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 2300 | |
| 1380 |
| Thermal Conductivity, W/m-K | 0.36 | |
| 0.12 |
| Thermal Expansion, µm/m-K | 220 | |
| 6.5 |
Otherwise Unclassified Properties
| Density, g/cm3 | 0.92 | |
| 0.5 |
Common Calculations
| Stiffness to Weight: Axial, points | 0.18 | |
| 18 |
| Strength to Weight: Axial, points | 2.1 | |
| 47 |
| Strength to Weight: Bending, points | 8.8 | |
| 86 |
| Thermal Diffusivity, mm2/s | 0.17 | |
| 0.17 |
| Thermal Shock Resistance, points | 7.6 | |
| 58 |