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DAP vs. PHB

DAP belongs to the thermoset plastics classification, while PHB belongs to the thermoplastics. There are 12 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 DAP and the bottom bar is PHB.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 13
1.3
Elongation at Break, % 31
7.5
Flexural Strength, MPa 62
20
Tensile Strength: Ultimate (UTS), MPa 28
30

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 160
60

Electrical Properties

Dielectric Constant (Relative Permittivity) At 1 Hz 5.2
3.0
Electrical Resistivity Order of Magnitude, 10x Ω-m 13
14

Otherwise Unclassified Properties

Density, g/cm3 1.7
1.3

Common Calculations

Stiffness to Weight: Axial, points 4.1
0.58
Stiffness to Weight: Bending, points 46
29
Strength to Weight: Axial, points 4.5
6.7
Strength to Weight: Bending, points 12
17