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PFA vs. Balsa

PFA belongs to the thermoplastics classification, while balsa belongs to the wood-based materials. There are 10 material properties with values for both materials. Properties with values for just one material (17, 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 PFA and the bottom bar is balsa.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 2.2
0.13
Dielectric Strength (Breakdown Potential), kV/mm 22
4.9
Elongation at Break, % 300
1.2
Specific Heat Capacity, J/kg-K 1000
1700
Strength to Weight: Axial, points 3.9
30
Strength to Weight: Bending, points 10
99
Tensile Strength: Ultimate (UTS), MPa 30
14
Thermal Conductivity, W/m-K 0.25
0.1
Thermal Diffusivity, mm2/s 0.12
0.45
Thermal Expansion, µm/m-K 120
6.5