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Subject: Re: [Homebrew_PCBs] Re: Using Cupric Chloride

From: Simao Cardoso <simaocardoso@...>
Date: 2011-09-26

hondgm wrote:
>
>
> To expand on this, I'm a bit lost as to where to find materials that
> the solution doesn't attack. All the tutorials I've seen on cupric
> chloride make no mention of incompatible plastics; they only talk
> about metals. It makes me think I'm the only one having this problem.


Using 'HCl nylon' on the search box of this group gives very explanatory
messages like this (among others):
http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/7161
http://tech.groups.yahoo.com/group/Homebrew_PCBs/message/1412

Most people use cheap tall food containers for this, they came with the
plastic type marked with its recycling symbol. Choose PP, HDPE/LDPE. My
tank is myself made off PMMA, the drilled air bubbling tube is PVC and
the holder is titanium. Nylon is a trademark for Polyamide which i think
wont resist in any acid.