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Spruce-pine-fir vs. PPS

Spruce-pine-fir belongs to the wood-based materials classification, while PPS belongs to the thermoplastics. There are 8 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is spruce-pine-fir and the bottom bar is PPS.

Metric UnitsUS Customary Units

Material Properties

Compressive (Crushing) Strength, MPa 50
95 to 160
Density, g/cm3 0.5
1.3 to 1.7
Elongation at Break, % 1.5
2.5 to 11
Specific Heat Capacity, J/kg-K 1380
910 to 1000
Strength to Weight: Axial, points 47
16 to 37
Strength to Weight: Bending, points 86
30 to 52
Tensile Strength: Ultimate (UTS), MPa 85
75 to 190
Thermal Expansion, µm/m-K 6.5
20 to 45