Thermoplastic comparison
LCP (liquid crystal polymer) vs Polyamide 66 (PA66, Nylon 66)
Every value below is a typical room-temperature figure with its source, test method and conditions — the same dataset that drives the calculators.
| Property | LCP (liquid crystal polymer) | Polyamide 66 (PA66, Nylon 66) | Difference |
|---|---|---|---|
| Density | 1.4 g/cm³ | 1.14 g/cm³ | LCP (liquid crystal polymer) — 23% higher |
| Young's modulus E | 10.6 GPa | 3.2 GPa | LCP (liquid crystal polymer) — 3.3× higher |
| Tensile strength | 182 MPa | 83 MPa | LCP (liquid crystal polymer) — 2.2× higher |
| Melting point Tm | 280 °C | 262 °C | LCP (liquid crystal polymer) — 18 °C higher |
Where these numbers come from
- Celanese Vectra A950 liquid crystal polymer datasheet, typical (flow-direction) values
- CAMPUS plastics database — typical grade datasheet values (campusplastics.com)
Typical room-temperature values for learning and preliminary design; grades vary widely and a supplier datasheet always overrides a textbook figure. Confirm against the datasheet before design work.