PETG vs. PPO
Both PETG and PPO are thermoplastics. There are 13 material properties with values for both materials. Properties with values for just one material (19, in this case) are not shown.
For each property being compared, the top bar is PETG and the bottom bar is PPO.
Metric UnitsUS Customary Units
Mechanical Properties
| Flexural Modulus, GPa | 2.1 | |
| 2.5 to 8.6 |
| Flexural Strength, MPa | 77 | |
| 92 to 140 |
| Impact Strength: Notched Izod, J/m | 77 | |
| 80 to 270 |
| Tensile Strength: Ultimate (UTS), MPa | 53 | |
| 63 to 140 |
Thermal Properties
| Heat Deflection Temperature At 1.82 MPa (264 psi), °C | 69 | |
| 120 to 140 |
| Specific Heat Capacity, J/kg-K | 1200 | |
| 1020 to 1250 |
| Thermal Expansion, µm/m-K | 68 | |
| 25 to 60 |
Electrical Properties
| Dielectric Constant (Relative Permittivity) At 1 Hz | 2.6 | |
| 2.7 to 3.2 |
| Dielectric Strength (Breakdown Potential), kV/mm | 16 | |
| 19 to 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.3 | |
| 1.1 to 1.4 |
| Water Absorption After 24 Hours, % | 0.2 | |
| 0.060 to 0.070 |
Common Calculations
| Strength to Weight: Axial, points | 12 | |
| 16 to 27 |
| Strength to Weight: Bending, points | 25 | |
| 33 to 42 |