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Ammonium persulfate Etching Powder  (200 gram)
Item # 16070
Ammonium persulfate for making PCB Etching solution 
Ammonium Persulfate (NH4)2S2O8

There are three common PCB etchants used in electronics PCB: ferric chloride [FeCl3], ammonium persulphate [(NH4)2S2O8], and sodium persulfate [Na2S2O8] Another popular copper etchant is cupric chloride [CuCl2], or copper ii chloride, which can be made at home.
This product is a 200 gram of Ammonium Persulfate (NH4)2S2O

Add the water to this power to make a solution,
The mixture should be 200g of ammonium persulfate  on 1 liter of water

  • It is clear, so you can see how well it is working.
  • It is compatible with the tin resist process.
  • It requires an elevated temperature.
  • least aggressive PCB etchant than Ferric Chloride.
  • The fumes are toxic (use it in a good ventilated environment).
  • It is relatively expensive compared to FeCl3.
  • It is not compatible with resist pens.

Some links:

It has a limited shelf life after adding water to make the solution

150.00  EGP
per Unit