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PPE vs. PHB

Both PPE and PHB are thermoplastics. There are 15 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.3
1.3
Elongation at Break, % 30
7.5
Flexural Strength, MPa 75
20
Tensile Strength: Ultimate (UTS), MPa 55
30

Thermal Properties

Heat Deflection Temperature At 1.82 MPa (264 psi), °C 120
60
Maximum Temperature: Mechanical, °C 90
120
Melting Onset (Solidus), °C 260
180
Vicat Softening Temperature, °C 140
58

Electrical Properties

Electrical Resistivity Order of Magnitude, 10x Ω-m 13
14

Otherwise Unclassified Properties

Density, g/cm3 1.1
1.3
Water Absorption After 24 Hours, % 0.23
0.75

Common Calculations

Stiffness to Weight: Axial, points 1.2
0.58
Stiffness to Weight: Bending, points 42
29
Strength to Weight: Axial, points 14
6.7
Strength to Weight: Bending, points 30
17