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Thermoplastic PI vs. PSU

Both thermoplastic PI and PSU are thermoplastics. There are 8 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

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

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.5
1.2 to 1.6
Elongation at Break, % 1.8 to 7.5
2.0 to 52
Flexural Modulus, GPa 3.8 to 19
2.7 to 14
Flexural Strength, MPa 170 to 330
110 to 200
Specific Heat Capacity, J/kg-K 970 to 1100
910 to 1000
Strength to Weight: Axial, points 22 to 42
16 to 25
Strength to Weight: Bending, points 36 to 57
30 to 40
Tensile Strength: Ultimate (UTS), MPa 110 to 220
70 to 140