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FR-4 Copper Clad Laminate 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. Copper Clad Laminate FR-4 is usually used in PCB with printed circuit on one or both sides of computers, home electric appliances and other lines.Properities
1. Higher mechanical properties,
2. Dielectric properties.
3. Good heat/moisture resistance.
4. Stable electric performance in high temperature.
5. Good flatness, smooth surface, no pits
