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PP Copolymer vs. UP

PP copolymer belongs to the thermoplastics classification, while UP belongs to the thermoset plastics. There are 9 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is PP copolymer and the bottom bar is UP.

Metric UnitsUS Customary Units

Material Properties

Density, g/cm3 0.9
2.0
Dielectric Constant (Relative Permittivity) At 1 Hz 2.2 to 2.3
6.0
Elastic (Young's, Tensile) Modulus, GPa 0.9 to 1.1
17
Elongation at Break, % 12
1.0
Stiffness to Weight: Axial, points 0.56 to 0.68
4.7
Stiffness to Weight: Bending, points 36 to 38
43
Strength to Weight: Axial, points 7.1 to 10
4.2
Strength to Weight: Bending, points 20 to 25
11
Tensile Strength: Ultimate (UTS), MPa 23 to 33
30