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POM-C vs. RPU

POM-C belongs to the thermoplastics classification, while RPU belongs to the thermoset plastics. There are 11 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is POM-C and the bottom bar is RPU.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.8 to 9.7
2.2
Elongation at Break, % 3.0 to 65
90
Flexural Modulus, GPa 2.6 to 9.0
2.0
Flexural Strength, MPa 83 to 170
83
Tensile Strength: Ultimate (UTS), MPa 61 to 110
60

Thermal Properties

Specific Heat Capacity, J/kg-K 1130 to 1370
1750

Otherwise Unclassified Properties

Density, g/cm3 1.4 to 1.6
1.2

Common Calculations

Stiffness to Weight: Axial, points 1.1 to 3.3
1.0
Stiffness to Weight: Bending, points 33 to 44
36
Strength to Weight: Axial, points 12 to 19
14
Strength to Weight: Bending, points 24 to 32
28