Product description
Pen with permanent ink resistant to etchant (sodium persulfate). Used to draw wiring directly on copper laminates (PCB). Use isopropanol to clean the copper laminate before drawing. The temperature of the etching bath should not exceed 50 °C. After etching, the ink can be wiped off with acetone cloth. Before the pen can be used, the felt tip must be pressed into the pen to allow ink to flow.
