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PHB vs. Thermoplastic PI

Both PHB and thermoplastic PI are thermoplastics. There are 9 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 thermoplastic PI.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
1.4 to 1.5
Elastic (Young's, Tensile) Modulus, GPa 1.3
3.7 to 20
Elongation at Break, % 7.5
1.8 to 7.5
Flexural Strength, MPa 20
170 to 330
Stiffness to Weight: Axial, points 0.58
1.5 to 7.9
Stiffness to Weight: Bending, points 29
37 to 64
Strength to Weight: Axial, points 6.7
22 to 42
Strength to Weight: Bending, points 17
36 to 57
Tensile Strength: Ultimate (UTS), MPa 30
110 to 220