1 Kg Ferric Chloride Solution 40% (FeCl3) Working Strength for PCB

1 Kg Ferric Chloride Solution 40% (FeCl3) Working Strength for PCB Etching Description PCB Etchant liquid (FeCl3) use to dissolve copper in PCB fabrication process.   Product Applications  Ferric chloride is mainly used for the sewage treatment, the dehydration of the sludge, th