PTMT vs. RPU
PTMT belongs to the thermoplastics classification, while RPU belongs to the thermoset plastics. There are 5 material properties with values for both materials. Properties with values for just one material (20, in this case) are not shown.
For each property being compared, the top bar is PTMT and the bottom bar is RPU.
Metric UnitsUS Customary Units
Material Properties
| Density, g/cm3 | 1.3 | |
| 1.2 |
| Dielectric Strength (Breakdown Potential), kV/mm | 17 | |
| 19 |
| Strength to Weight: Axial, points | 12 | |
| 14 |
| Strength to Weight: Bending, points | 25 | |
| 28 |
| Tensile Strength: Ultimate (UTS), MPa | 56 | |
| 60 |