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PSU vs. ASA

Both PSU and ASA are thermoplastics. There are 7 material properties with values for both materials. Properties with values for just one material (18, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.2 to 1.6
1.1
Elongation at Break, % 2.0 to 52
6.0
Specific Heat Capacity, J/kg-K 910 to 1000
1300
Strength to Weight: Axial, points 16 to 25
14
Strength to Weight: Bending, points 30 to 40
30
Tensile Strength: Ultimate (UTS), MPa 70 to 140
55
Thermal Expansion, µm/m-K 25 to 57
95