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RPU vs. UP

Both RPU and UP are thermoset plastics. There are 13 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

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

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 2.2
17
Elongation at Break, % 90
1.0
Tensile Strength: Ultimate (UTS), MPa 60
30

Thermal Properties

Specific Heat Capacity, J/kg-K 1750
1200
Thermal Conductivity, W/m-K 0.19
0.7
Thermal Expansion, µm/m-K 63
3.0

Otherwise Unclassified Properties

Density, g/cm3 1.2
2.0

Common Calculations

Stiffness to Weight: Axial, points 1.0
4.7
Stiffness to Weight: Bending, points 36
43
Strength to Weight: Axial, points 14
4.2
Strength to Weight: Bending, points 28
11
Thermal Diffusivity, mm2/s 0.090
0.29
Thermal Shock Resistance, points 31
42