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PHB vs. PGA

Both PHB and PGA are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.3
1.5
Elastic (Young's, Tensile) Modulus, GPa 1.3
6.5
Elongation at Break, % 7.5
1.0
Melting Onset (Solidus), °C 180
230
Stiffness to Weight: Axial, points 0.58
2.4
Stiffness to Weight: Bending, points 29
41
Strength to Weight: Axial, points 6.7
10
Strength to Weight: Bending, points 17
21
Tensile Strength: Ultimate (UTS), MPa 30
55