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PHB vs. PTT

Both PHB and PTT are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
1.3
Elastic (Young's, Tensile) Modulus, GPa 1.3
2.5
Elongation at Break, % 7.5
60
Flexural Strength, MPa 20
100
Melting Onset (Solidus), °C 180
230
Stiffness to Weight: Axial, points 0.58
1.0
Stiffness to Weight: Bending, points 29
34
Strength to Weight: Axial, points 6.7
13
Strength to Weight: Bending, points 17
26
Tensile Strength: Ultimate (UTS), MPa 30
60