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Subject: Re: [Homebrew_PCBs] Re: updates on cupric chloride etching

From: Adam Seychell <adam_seychell@...>
Date: 2003-04-09

rolanyang wrote:
> Umm.. you can buy Copper Chloride powder and mix it with water+HCl.
> It's a lot easier and you can obtain a more accurate concentration right away.
> http://www.techfreakz.org/cucl2/?slide=2
>
> ~Rolan
>

Just think 5 liters of etchant at 150g/l of dissolved copper then
you'll need to 4.4 pounds of CuCl2.2H20 or 5 pounds cost you
5∗$39 = US$195 if you buy from http://www.artcraftchemicals.com