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Hardwood vs. FEP

Hardwood belongs to the wood-based materials classification, while FEP belongs to the thermoplastics. There are 14 material properties with values for both materials. Properties with values for just one material (19, 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 hardwood and the bottom bar is FEP.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 12
0.43
Elongation at Break, % 2.0
300
Tensile Strength: Ultimate (UTS), MPa 80
20

Thermal Properties

Specific Heat Capacity, J/kg-K 1260
1170
Thermal Conductivity, W/m-K 0.16
0.22
Thermal Expansion, µm/m-K 6.0
95

Electrical Properties

Dielectric Strength (Breakdown Potential), kV/mm 0.5
22

Otherwise Unclassified Properties

Density, g/cm3 0.7
2.1

Common Calculations

Stiffness to Weight: Axial, points 9.5
0.11
Stiffness to Weight: Bending, points 110
12
Strength to Weight: Axial, points 32
2.6
Strength to Weight: Bending, points 59
7.6
Thermal Diffusivity, mm2/s 0.18
0.088
Thermal Shock Resistance, points 79
35