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PPE vs. PSU

Both PPE and PSU are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.1
1.2 to 1.6
Elongation at Break, % 30
2.0 to 52
Flexural Strength, MPa 75
110 to 200
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 120
180 to 200
Specific Heat Capacity, J/kg-K 1200
910 to 1000
Strength to Weight: Axial, points 14
16 to 25
Strength to Weight: Bending, points 30
30 to 40
Tensile Strength: Ultimate (UTS), MPa 55
70 to 140
Thermal Expansion, µm/m-K 90
25 to 57