... electrolytic foil. It has excellent electric, mechanical and flamer retardant properties and is widely used for PWB with printed ... /CCL consist of bleached wood pulp paper, impregnated with flame retardant phenolic-epoxy resin and clad with electrolytic copper foil. ... laminate consist of bleached wood pulp paper, impregnated with flame retardant epoxy resin and clad with single glass fabric on both ...