FR4 300x200mm Double Side Copper Clad Laminate PCB Board Fiberboard CCLSpecification Panel Size Approx 300mm x 200mm or 11 8 x 7 88 inch Thickness 0 06 0 005 1 5mm0 15 Weight Approx 194g eachLayers Double SidePanel FR4Operating temperature Up to 140 C or 285FDescription This Double PCB Copper Clad Laminate Board is made of copper foil by the hot pressing technology Super fine steel wool Restore4 Tarn X roscherite Zap or similar before using After that be sure to rinse and dry so without any water spots Combined resin with reinforced material As basic material of PCB production Package included 1 x Double Side Copper Clad Laminate