COC vs. PETG
Both COC and PETG are thermoplastics. There are 12 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 COC and the bottom bar is PETG.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.0 | |
| 2.2 |
| Tensile Strength: Ultimate (UTS), MPa | 60 | |
| 53 |
Thermal Properties
| Heat Deflection Temperature At 455 kPa (66 psi), °C | 130 | |
| 73 |
| Thermal Expansion, µm/m-K | 60 | |
| 68 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.0 | |
| 1.3 |
| Refractive Index | 1.5 | |
| 1.6 |
| Water Absorption After 24 Hours, % | 0 | |
| 0.2 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.7 | |
| 1.0 |
| Stiffness to Weight: Bending, points | 48 | |
| 34 |
| Strength to Weight: Axial, points | 17 | |
| 12 |
| Strength to Weight: Bending, points | 34 | |
| 25 |
| Thermal Shock Resistance, points | 24 | |
| 25 |