Since the forum members are from all around the globe, chemical names and
purchasing requirements will vary from country to country.
so be aware of the laws in your area.
In the US, HCl is very available at hardware stores and pool supply
companies, while H2O2 (Hydrogen Peroxide) 3% is available at grocery stores
and drug stores. The more concentrated H2O2 30 and 40 volume) is available
at beauty supply stores. Note; you hust have a hairdresser's license to buy
the 40 volume.
Myc
On Thu, Jun 26, 2008 at 11:12 PM, Viper62 <viper62pr@...> wrote:
> --- In Homebrew_PCBs@yahoogroups.com <Homebrew_PCBs%40yahoogroups.com>,
> Lez <lez.briddon@...> wrote:
>
> Greetings all, I am new here and have read a few posts on using
> hydrocloric acid instead of ferric chloride, I used ferric chloride
> from Radio Shack once or twice back in the '70s, I haven't etched a
> board since, is it safe to use hydrochloric acid on pcboards?, I
> purchased a galon a few years back and poured an ounce or two on
> concrete to make it porous and it ate it up, I gave the rest to a
> friend.
> I'v been using perfboards to make my prototypes but it would be nice to
> make pcboards again, I was thinking of purchasing a cnc machine but
> they are pricey, I think Radio Shack is going to discontinue to sell
> ferric chloride.
> What I purchased was Muriatic acid.
>
>
>
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