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CAP vs. PHB

Both CAP and PHB are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.2
1.3
Electrical Resistivity Order of Magnitude, 10x Ω-m 16
14
Elongation at Break, % 35 to 50
7.5
Flexural Strength, MPa 29 to 56
20
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 65 to 80
60
Strength to Weight: Axial, points 6.5 to 10
6.7
Strength to Weight: Bending, points 17 to 23
17
Tensile Strength: Ultimate (UTS), MPa 28 to 45
30
Vicat Softening Temperature, °C 85 to 110
58
Water Absorption After 24 Hours, % 1.4 to 1.7
0.75