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PSU vs. ABS

Both PSU and ABS are thermoplastics. There are 10 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.2 to 1.6
1.0 to 1.4
Elongation at Break, % 2.0 to 52
3.5 to 50
Flexural Modulus, GPa 2.7 to 14
2.1 to 7.6
Flexural Strength, MPa 110 to 200
72 to 97
Heat Deflection Temperature At 1.82 MPa (264 psi), °C 180 to 200
76 to 110
Impact Strength: Notched Izod, J/m 59 to 100
70 to 370
Strength to Weight: Axial, points 16 to 25
10 to 22
Strength to Weight: Bending, points 30 to 40
24 to 37
Tensile Strength: Ultimate (UTS), MPa 70 to 140
37 to 110
Thermal Expansion, µm/m-K 25 to 57
81 to 95