PCB Board 4*4

1. Suggested only if you know how to etch PCBs with FeCl3.

2. You must use gloves while etching with FeCl3 as it may cause irritation to your skin.

3. Mix etchant in water, do not drop water over the etchant.

4. Do an etching procedure in open space so any chemical gas produced during the process can dissipate in the air easily.

5. Put etchant+water solution in the plastic box only.

Mix the solvent with warm water and your etching solutions is ready. You can also store and re-use the solution.

Note: High corrosive chemical, caution!! Harmful to skin and eyes. Please make sure all precautionary measures are in place like hand gloves, glasses, etc.