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Thermoplastic PI vs. UHMW-PE

Both thermoplastic PI and UHMW-PE are thermoplastics. There are 9 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is thermoplastic PI and the bottom bar is UHMW-PE.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 1.4 to 1.5
0.94
Elastic (Young's, Tensile) Modulus, GPa 3.7 to 20
0.8
Elongation at Break, % 1.8 to 7.5
400
Specific Heat Capacity, J/kg-K 970 to 1100
1750
Stiffness to Weight: Axial, points 1.5 to 7.9
0.47
Stiffness to Weight: Bending, points 37 to 64
33
Strength to Weight: Axial, points 22 to 42
14
Strength to Weight: Bending, points 36 to 57
32
Tensile Strength: Ultimate (UTS), MPa 110 to 220
49