The series mainly include FR-1, FR-4, CEM-1 and CEM-3. Mainly used single, double and multilayer PCB in the fields of computer, telecommunication, electron instrument, etc. FR-1 Phenolic Paper, Flame Resistance Copper Clad Laminate, with good electrical and mechanical characters, heat resistance and smooth appearance, it is suitable for products with high request electron insulating, such as electrical insulating seat and plate for related appliance and instruments. FR-4 Woven E-glass Fabric Epoxy, Flame Resistant Copper Clad Laminate, with excellent electrical and mechanical characters, good heat resistance and transparent, it is widely used as single, double and multilayer PCB in the fields of computer, telecommunication, electron instrument, etc. CEM-1 Woven E-glass Fabric/Non-Woven Glass Core Epoxy, with better properties of solder resistance, mechanical, excellent PTH hole-through, even, good humidity-resistance than paper laminate, it is mainly used in the fields of monitor, switch, supersonic machine, TV, self-ballasted lamp, VCD and DVD equipments, etc. CEM-3 Woven E-glass Fabric/Non-Woven Glass Core Epoxy, Flame Resistant Copper Clad Laminate, with excellent electrical character, high CTI, good mechanical manufactured possibility and excellent PTH hole-through, it can be substitute for FR-4, it is widely used in the fields of monitor, switch, supersonic machine, TV, self-ballasted lamp, VCD and DVD equipments, etc. Thickness: 2mm-45mm Width : 560mm-1200mm Length: 720mm-2150mm.