RTPU vs. PETG
Both RTPU and PETG are thermoplastics. There are 14 material properties with values for both materials. Properties with values for just one material (17, in this case) are not shown.
For each property being compared, the top bar is RTPU and the bottom bar is PETG.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 4.0 | |
| 2.2 |
| Tensile Strength: Ultimate (UTS), MPa | 75 | |
| 53 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 1760 | |
| 1200 |
| Thermal Conductivity, W/m-K | 0.6 | |
| 0.29 |
| Thermal Expansion, µm/m-K | 100 | |
| 68 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 3.6 | |
| 2.6 |
| Dielectric Strength (Breakdown Potential), kV/mm | 24 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.1 | |
| 1.3 |
Common Calculations
| Stiffness to Weight: Axial, points | 2.1 | |
| 1.0 |
| Stiffness to Weight: Bending, points | 50 | |
| 34 |
| Strength to Weight: Axial, points | 20 | |
| 12 |
| Strength to Weight: Bending, points | 38 | |
| 25 |
| Thermal Diffusivity, mm2/s | 0.32 | |
| 0.19 |
| Thermal Shock Resistance, points | 13 | |
| 25 |