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PPSU vs. PHB

Both PPSU and PHB 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 PPSU and the bottom bar is PHB.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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