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Specifications

Copper clad laminated sheet- FR4;

FR4 copper clad laminated sheet to be consisted of E-glass fabric, impregnated with epoxy resin and clad with electrolytic foil;

It has excellent electric, mechanical and flamer retardant properties and is widely used for PCB with printed circuit on one or both side in microwave ovens, computer, communication apparatus as well as high grade electronic instruments;

Thickness: 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.6mm, 2.0mm and so on;

Thickness of copper: 18um, 35um, 70um and ect, and be adjusted by the customer;

Face: 1 and 2;

Size: 1020MM X 1220MM.

Features:

(1) the end face of foil covered board should be tidy without any delamination and crackle;

(2) any bubble, wrinkle, pin hole, deep nick, pitting and glue spot on the copper foil covered face is not allowed. Any color changing or dirty can be easily removed by density 1.02g/cm3 hydrochloric acid or proper organic solution;

(3) on lamination face, the defects such as bubble, impressed pitting, nick and glue lack and outer impure which retard its use are not allowed.
 
Characteristic and Application:

1) FR-4 Copper clad laminate/CCL consist of E-glass fabric, impregnated with epoxy resin and clad with electrolytic foil. It has excellent electric, mechanical and flamer retardant properties and is widely used for PWB with printed circuit on one or both side in microwave ovens, computers, communication apparatus as well as other high grade electronic instruments.

2) FR-1copper 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.

3) XPC Copper clad laminated sheet/CCL consist of bleached wood pulp paper, impregnated with modified phenolic resin and clad with electrolytic copper foil.

It has high dimension stability, good punching behavior at low temperature, high thermal resistance and are widely used for computers, telephones, Hi-Fi acoustic devices, electronic toys and etc.

4) CEM-1 copper clad laminate consist of bleached wood pulp paper, impregnated with flame retardant epoxy resin and clad with single glass fabric on both sides and electrolytic copper foil.

It has high electrical and electrical strength, good flame retardancy, good dimension stability, lower bow and twist: It is widely used for computers, VCD sets, Hi-Fi acoustic devices and other high grade electronic appliances.