FR-1 copper clad laminate:
FR-1 copper clad laminated sheet/CCL consist of bleached wood pulp paper, impregnated with flame retardant phenolic-epoxy resin and clad with electrolytic copper foil.It has high electrical stability, good flame retardancy, good dimension stability and smoothness, good punching ability and widely used for Hi-Fi acoustic devices, color TV sets and other electronic appliances.
| Material | Phenolic paper |
| Sheet thickness | 0.8-1.6mm |
| Color | Yellow |
| Flammability | V-0 |
| CTI Value | 175/600V |
| Size | 1020x1020mm,1020x1220mm,1030x1230mm, as requested. |
| Copper thickness | 0.5oz(18μm), 1oz(35μm), 2oz(70μm), as requested. |
| Features | In hign temperature warpage and twist both less than 1.0%, High CTI Value, Suitable for punching at 40~70℃. |
| Applications | Usually used in PCB of computers, toys or other electric appliances etc. |