Melamine vs. RPU
Both melamine and RPU are thermoset plastics. There are 17 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is melamine and the bottom bar is RPU.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 7.0 | |
2.2 |
Elongation at Break, % | 1.0 | |
90 |
Tensile Strength: Ultimate (UTS), MPa | 30 | |
60 |
Thermal Properties
Maximum Temperature: Autoignition, °C | 350 | |
380 |
Maximum Temperature: Decomposition, °C | 350 | |
270 |
Specific Heat Capacity, J/kg-K | 1200 | |
1750 |
Thermal Conductivity, W/m-K | 0.5 | |
0.19 |
Thermal Expansion, µm/m-K | 60 | |
63 |
Electrical Properties
Dielectric Strength (Breakdown Potential), kV/mm | 30 | |
19 |
Electrical Resistivity Order of Magnitude, 10x Ω-m | 9.0 | |
13 |
Otherwise Unclassified Properties
Density, g/cm3 | 1.5 | |
1.2 |
Common Calculations
Stiffness to Weight: Axial, points | 2.6 | |
1.0 |
Stiffness to Weight: Bending, points | 43 | |
36 |
Strength to Weight: Axial, points | 5.6 | |
14 |
Strength to Weight: Bending, points | 14 | |
28 |
Thermal Diffusivity, mm2/s | 0.28 | |
0.090 |
Thermal Shock Resistance, points | 5.1 | |
31 |