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ABS vs. PSU

Both ABS and PSU 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 ABS and the bottom bar is PSU.

Metric UnitsUS Customary Units

Material Properties

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