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Epoxy vs. Hardwood

Epoxy belongs to the thermoset plastics classification, while hardwood belongs to the wood-based materials. There are 16 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.4
12
Elongation at Break, % 4.5
2.0
Poisson's Ratio 0.4
0.37
Shear Modulus, GPa 0.85
0.9
Tensile Strength: Ultimate (UTS), MPa 67
80

Thermal Properties

Specific Heat Capacity, J/kg-K 1500
1260
Thermal Conductivity, W/m-K 0.2
0.16
Thermal Expansion, µm/m-K 100
6.0

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 16
0.5

Otherwise Unclassified Properties

Density, g/cm3 1.3
0.7

Common Calculations

Stiffness to Weight: Axial, points 1.0
9.5
Stiffness to Weight: Bending, points 34
110
Strength to Weight: Axial, points 14
32
Strength to Weight: Bending, points 28
59
Thermal Diffusivity, mm2/s 0.1
0.18
Thermal Shock Resistance, points 20
79