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PHB vs. Ionomer

Both PHB and ionomer are thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 1.3
0.4
Elongation at Break, % 7.5
350
Tensile Strength: Ultimate (UTS), MPa 30
37

Thermal Properties

Maximum Temperature: Mechanical, °C 120
75
Melting Onset (Solidus), °C 180
94
Vicat Softening Temperature, °C 58
72

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 3.0
2.4

Otherwise Unclassified Properties

Density, g/cm3 1.3
0.94

Common Calculations

Stiffness to Weight: Axial, points 0.58
0.24
Stiffness to Weight: Bending, points 29
26
Strength to Weight: Axial, points 6.7
11
Strength to Weight: Bending, points 17
26