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PAI vs. PHB

Both PAI and PHB are thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 4.0 to 8.3
1.3
Elongation at Break, % 3.0 to 12
7.5
Flexural Strength, MPa 160 to 320
20
Tensile Strength: Ultimate (UTS), MPa 100 to 180
30

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 280
60
Maximum Temperature: Mechanical, °C 260
120

Otherwise Unclassified Properties

Density, g/cm3 1.4 to 1.6
1.3
Water Absorption After 24 Hours, % 0.3 to 0.4
0.75

Common Calculations

Stiffness to Weight: Axial, points 1.6 to 3.2
0.58
Stiffness to Weight: Bending, points 38 to 47
29
Strength to Weight: Axial, points 19 to 34
6.7
Strength to Weight: Bending, points 33 to 49
17