PET vs. Melamine
PET belongs to the thermoplastics classification, while melamine belongs to the thermoset plastics. There are 11 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is PET and the bottom bar is melamine.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.5 to 11 | |
| 7.0 |
| Elongation at Break, % | 2.5 to 70 | |
| 1.0 |
| Tensile Strength: Ultimate (UTS), MPa | 60 to 140 | |
| 30 |
Thermal Properties
| Maximum Temperature: Autoignition, °C | 410 | |
| 350 |
| Maximum Temperature: Decomposition, °C | 390 | |
| 350 |
| Specific Heat Capacity, J/kg-K | 1000 to 1150 | |
| 1200 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.4 to 1.6 | |
| 1.5 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.2 to 4.4 | |
| 2.6 |
| Stiffness to Weight: Bending, points | 32 to 54 | |
| 43 |
| Strength to Weight: Axial, points | 12 to 27 | |
| 5.6 |
| Strength to Weight: Bending, points | 25 to 41 | |
| 14 |