I myself have never used FeCl Im sure it works but Ive never tried it.
Seems to easy to get some off the shelf products and make your own.
I found the darker green it gets the faster it etches. I typicaly use 1 or 2 oz boards
and the time to etch is less than 13 mins. @ about 90f Fl heat
On Sep 3, 2013, at 8:03 PM, <twgray2007@...> wrote:
> To clarify, the board was turning pinkish, like it does if you wipe a plated board with FeCl, starting to etch.
>
>
> --- In Homebrew_PCBs@yahoogroups.com, <homebrew_pcbs@yahoogroups.com> wrote:
>
> On Tue, 03 Sep 2013 23:46:25 -0000, you wrote:
>
> >Pink? should be green or some shade of.
>
> Pink was the color of the copper, not the solution.
>
> Harvey
>
> >Sam
>
> >
>
> >Read this.
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> > http://members.optusnet.com.au/~eseychell/PCB/etching_CuCl/
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> >
>
> >
>
> >
>
> >
>
> >--- In Homebrew_PCBs@yahoogroups.com , <twgray2007@...> wrote:
>
> >>
>
> >> OK, I tried bubbling air through the mixture for about 24 hours with no change.� I heated to about 40 C and placed a PCB in just to test and after about 25 minutes it had just started to turn pink from etching.� The volume was at about 1/2 gallon and to this I added about 1/2 cup of HCL and left the board in for another 30 minutes with little change.�
>
> >>
>
> >> I think I will now put a lot of copper wire in, at 40 C and let it run to see if it will "take off", as you put it.
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> >>
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>
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