FR-4 copper clad laminate:
It is a kind of copper foil covered laminated board formed through heat pressing after the electric industry alkali-free glass fiber dips into thermoset epoxy resins and is covered with copper foil at one side or both sides, called copper-clad laminate(CCL) .It is used for production of printed circuit board(PCB).
| Material | Fiberglass, epoxy resin |
| Sheet thickness | 0.4-3.0mm |
| Color | Yellow/Green/White |
| Rated voltage | 40KV |
| Tensile strength | Excellent |
| Size | 37" x 48", 40" x 48", 41" x 49", 43" x 49" and so on |
| Copper thickness | 0.5oz(15μm,18μm), 1oz(25μm,35μm), 2oz(70μm), as requested. |
| Features | Excellent dimensuinal stability, Good thermal resistance performance, Excellent mechanical and electrical properties. |
| Applications | Usually used in PCB of computers, home electric appliances etc. |