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PHB vs. PAS

Both PHB and PAS are thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.3
2.7
Elongation at Break, % 7.5
40
Flexural Strength, MPa 20
110
Tensile Strength: Ultimate (UTS), MPa 30
83

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 60
200

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.0
3.5
Electrical Resistivity Order of Magnitude, 10x Ω-m 14
15

Otherwise Unclassified Properties

Density, g/cm3 1.3
1.4
Water Absorption After 24 Hours, % 0.75
0.4

Common Calculations

Stiffness to Weight: Axial, points 0.58
1.1
Stiffness to Weight: Bending, points 29
34
Strength to Weight: Axial, points 6.7
17
Strength to Weight: Bending, points 17
31