UP vs. RPU
Both UP and RPU 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 UP and the bottom bar is RPU.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 17 | |
| 2.2 |
| Elongation at Break, % | 1.0 | |
| 90 |
| Tensile Strength: Ultimate (UTS), MPa | 30 | |
| 60 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 1200 | |
| 1750 |
| Thermal Conductivity, W/m-K | 0.7 | |
| 0.19 |
| Thermal Expansion, µm/m-K | 3.0 | |
| 63 |
Otherwise Unclassified Properties
| Density, g/cm3 | 2.0 | |
| 1.2 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.7 | |
| 1.0 |
| Stiffness to Weight: Bending, points | 43 | |
| 36 |
| Strength to Weight: Axial, points | 4.2 | |
| 14 |
| Strength to Weight: Bending, points | 11 | |
| 28 |
| Thermal Diffusivity, mm2/s | 0.29 | |
| 0.090 |
| Thermal Shock Resistance, points | 42 | |
| 31 |