PCB Board 100mmx70mm single sided
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