PET vs. POM-C
Both PET and POM-C are thermoplastics. There are 12 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is PET and the bottom bar is POM-C.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.5 to 11 | |
| 2.8 to 9.7 |
| Elongation at Break, % | 2.5 to 70 | |
| 3.0 to 65 |
| Flexural Modulus, GPa | 8.3 to 14 | |
| 2.6 to 9.0 |
| Impact Strength: Notched Izod, J/m | 43 to 85 | |
| 68 to 69 |
| Tensile Strength: Ultimate (UTS), MPa | 60 to 140 | |
| 61 to 110 |
Thermal Properties
| Specific Heat Capacity, J/kg-K | 1000 to 1150 | |
| 1130 to 1370 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.4 to 1.6 | |
| 1.4 to 1.6 |
| Limiting Oxygen Index (LOI), % | 21 | |
| 15 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.2 to 4.4 | |
| 1.1 to 3.3 |
| Stiffness to Weight: Bending, points | 32 to 54 | |
| 33 to 44 |
| Strength to Weight: Axial, points | 12 to 27 | |
| 12 to 19 |
| Strength to Weight: Bending, points | 25 to 41 | |
| 24 to 32 |