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PHB vs. PFA

Both PHB and PFA are thermoplastics. There are 11 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is PHB and the bottom bar is PFA.

Metric UnitsUS Customary Units

Mechanical Properties

Elongation at Break, % 7.5
300
Tensile Strength: Ultimate (UTS), MPa 30
30

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 60
50
Maximum Temperature: Mechanical, °C 120
260
Melting Onset (Solidus), °C 180
300

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.0
2.1
Electrical Resistivity Order of Magnitude, 10x Ω-m 14
16

Otherwise Unclassified Properties

Density, g/cm3 1.3
2.2
Water Absorption After 24 Hours, % 0.75
0

Common Calculations

Strength to Weight: Axial, points 6.7
3.9
Strength to Weight: Bending, points 17
10