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PHB vs. PPSU

Both PHB and PPSU are thermoplastics. There are 14 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.3
3.6
Elongation at Break, % 7.5
26
Flexural Strength, MPa 20
130
Tensile Strength: Ultimate (UTS), MPa 30
95

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 60
210
Maximum Temperature: Mechanical, °C 120
160

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.0
3.8
Electrical Resistivity Order of Magnitude, 10x Ω-m 14
14

Otherwise Unclassified Properties

Density, g/cm3 1.3
1.4
Water Absorption After 24 Hours, % 0.75
0.44

Common Calculations

Stiffness to Weight: Axial, points 0.58
1.4
Stiffness to Weight: Bending, points 29
36
Strength to Weight: Axial, points 6.7
19
Strength to Weight: Bending, points 17
33