LCP
Liquid Crystal Polymer
Glass Transition (Tg)
~120 °C
Melting Point (Tm)
280–350 °C
Density
1.40 g/cm³
CAS Number
—
Recycling Code
♺ 7
Category
High-Performance
Repeat Unit
–[O–C₆H₄–CO]ₓ–[O–C₁₀H₆–CO]ᵧ–
The repeating unit is the smallest structural fragment whose repetition builds the whole chain. Subscripts show the relative share of each unit in copolymers.
Key Properties
Rigid rod-like molecules self-align in the melt, giving extremely low viscosity and near-zero shrinkage; highly anisotropic with weak weld lines.
Applications
Micro-connectors, ultra-thin-wall electronics, 5G antenna substrates.