PEI vs. PHB
Both PEI and PHB are thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.
For each property being compared, the top bar is PEI and the bottom bar is PHB.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 3.4 to 5.6 | |
1.3 |
Elongation at Break, % | 3.0 to 34 | |
7.5 |
Flexural Strength, MPa | 140 to 210 | |
20 |
Tensile Strength: Ultimate (UTS), MPa | 110 to 160 | |
30 |
Thermal Properties
Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 200 to 210 | |
60 |
Maximum Temperature: Mechanical, °C | 170 | |
120 |
Electrical Properties
Electrical Resistivity Order of Magnitude, 10x Ω-m | 14 to 15 | |
14 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.3 to 1.5 | |
1.3 |
Water Absorption After 24 Hours, % | 0.17 to 0.25 | |
0.75 |
Common Calculations
Stiffness to Weight: Axial, points | 1.5 to 2.1 | |
0.58 |
Stiffness to Weight: Bending, points | 39 | |
29 |
Strength to Weight: Axial, points | 24 to 30 | |
6.7 |
Strength to Weight: Bending, points | 40 to 44 | |
17 |