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PHB vs. PCTFE

Both PHB and PCTFE are thermoplastics. There are 14 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.3
1.4
Elongation at Break, % 7.5
150
Flexural Strength, MPa 20
59
Tensile Strength: Ultimate (UTS), MPa 30
36

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 60
110
Maximum Temperature: Mechanical, °C 120
150
Melting Onset (Solidus), °C 180
220

Electrical Properties

Electrical Resistivity Order of Magnitude, 10x Ω-m 14
16

Otherwise Unclassified Properties

Density, g/cm3 1.3
2.1
Water Absorption After 24 Hours, % 0.75
0.0094

Common Calculations

Stiffness to Weight: Axial, points 0.58
0.37
Stiffness to Weight: Bending, points 29
17
Strength to Weight: Axial, points 6.7
4.6
Strength to Weight: Bending, points 17
11