Homebrew PCBs

On Thu, 09 Dec 2004 07:35:26 +1100, Adam Seychell  
<a_seychell@...> wrote:

>
> The three above mentioned etchants normally have acid and pH will be
> very low (< 1). Acrylic (PMMA) is ok for acid. I made a small
> electrochemical test cell out of this stuff and have had 20% sulfuric
> acid in it for weeks at a time and see zero effect to date.
> Nylon is the common plastic you must avoid contact with acid for long
> periods, even vinegar.
> Of course there is always www.google.com


And the links section, where you will find links to chemical compatibility  
pages.
(tank construction folder)

ST