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Spruce-pine-fir vs. FFKM

Spruce-pine-fir belongs to the wood-based materials classification, while FFKM belongs to the thermoset elastomers (rubber). There are 6 material properties with values for both materials. Properties with values for just one material (12, 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 FFKM.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.5
2.0
Elongation at Break, % 1.5
170
Maximum Temperature: Mechanical, °C 130
280
Strength to Weight: Axial, points 47
2.3
Strength to Weight: Bending, points 86
7.2
Tensile Strength: Ultimate (UTS), MPa 85
16