Homebrew PCBs

Some snippage ...

You can get "40 weight" peroxide, which I believe is 10%, from Sally Beauty Supply.  It works fine.

They have a lot of other interesting chemicals and devices there too.

73
Jim N6OTQ



>________________________________
> From: designer_craig <cs6061@...>
>To: Homebrew_PCBs@yahoogroups.com 
>Sent: Thursday, May 9, 2013 12:28 PM
>Subject: [Homebrew_PCBs] Re: etching solutions
> 
>
> For best results use 30% if you can find it. 
>
>Cu + CU++ ---> 2CU+   the etching equation  
>
>http://www.pcbfab.com/chemistry-of-the-cupric-etch
>
>Craig
>
>

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