Hardwood vs. SBR Rubber

Hardwood belongs to the wood-based materials classification, while SBR rubber belongs to the thermoset elastomers (rubber). There are 8 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is hardwood and the bottom bar is SBR rubber.

Hardwood Styrene Butadiene Rubber (SBR, Buna-S)

Metric UnitsUS Customary Units

Material Properties

Density, g/cm³		0.7
Density, g/cm³		1.1

Elongation at Break, %		2.0
Elongation at Break, %		530

Specific Heat Capacity, J/kg-K		1260
Specific Heat Capacity, J/kg-K		1880

Strength to Weight: Axial, points		32
Strength to Weight: Axial, points		3.4

Strength to Weight: Bending, points		59
Strength to Weight: Bending, points		11

Tensile Strength: Ultimate (UTS), MPa		80
Tensile Strength: Ultimate (UTS), MPa		14

Thermal Conductivity, W/m-K		0.16
Thermal Conductivity, W/m-K		0.17

Thermal Diffusivity, mm²/s		0.18
Thermal Diffusivity, mm²/s		0.082

Hardwood vs. SBR Rubber

Material Properties

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