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Spruce-pine-fir vs. LDPE

Spruce-pine-fir belongs to the wood-based materials classification, while LDPE belongs to the thermoplastics. 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 spruce-pine-fir and the bottom bar is LDPE.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 16
0.3
Shear Modulus, GPa 1.2
0.21
Tensile Strength: Ultimate (UTS), MPa 85
7.0

Thermal Properties

Specific Heat Capacity, J/kg-K 1380
2300
Thermal Conductivity, W/m-K 0.12
0.36
Thermal Expansion, µm/m-K 6.5
220

Otherwise Unclassified Properties

Density, g/cm3 0.5
0.92

Common Calculations

Stiffness to Weight: Axial, points 18
0.18
Strength to Weight: Axial, points 47
2.1
Strength to Weight: Bending, points 86
8.8
Thermal Diffusivity, mm2/s 0.17
0.17
Thermal Shock Resistance, points 58
7.6