PET vs. LCP
Both PET and LCP are thermoplastics. There are 13 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 LCP.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 3.5 to 11 | |
| 11 to 24 |
| Elongation at Break, % | 2.5 to 70 | |
| 1.0 to 3.0 |
| Flexural Modulus, GPa | 8.3 to 14 | |
| 9.0 to 23 |
| Tensile Strength: Ultimate (UTS), MPa | 60 to 140 | |
| 180 to 230 |
Thermal Properties
| Maximum Temperature: Decomposition, °C | 390 | |
| 520 |
| Melting Onset (Solidus), °C | 260 | |
| 280 |
| Specific Heat Capacity, J/kg-K | 1000 to 1150 | |
| 1020 to 1200 |
Otherwise Unclassified Properties
| Density, g/cm3 | 1.4 to 1.6 | |
| 1.4 to 1.6 |
| Limiting Oxygen Index (LOI), % | 21 | |
| 35 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.2 to 4.4 | |
| 4.4 to 8.9 |
| Stiffness to Weight: Bending, points | 32 to 54 | |
| 51 to 65 |
| Strength to Weight: Axial, points | 12 to 27 | |
| 33 to 43 |
| Strength to Weight: Bending, points | 25 to 41 | |
| 45 to 56 |