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ETFE vs. Hardwood

ETFE belongs to the thermoplastics classification, while hardwood belongs to the wood-based materials. There are 14 material properties with values for both materials. Properties with values for just one material (15, 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 ETFE and the bottom bar is hardwood.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.5
12
Elongation at Break, % 230
2.0
Tensile Strength: Ultimate (UTS), MPa 46
80

Thermal Properties

Specific Heat Capacity, J/kg-K 1000
1260
Thermal Conductivity, W/m-K 0.24
0.16
Thermal Expansion, µm/m-K 95
6.0

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 1.8
0.7

Common Calculations

Stiffness to Weight: Axial, points 0.48
9.5
Stiffness to Weight: Bending, points 22
110
Strength to Weight: Axial, points 7.3
32
Strength to Weight: Bending, points 16
59
Thermal Diffusivity, mm2/s 0.14
0.18
Thermal Shock Resistance, points 23
79