Yes, I've heard that said. I have kept it a couple years without issue as
long as it is well sealed. So I would be curious to know the actual
concentration of Radio shack's product. The bottle does not say.... The M.
G. Chemical product worked much better.
On Sat, May 12, 2012 at 4:27 AM, Leon Heller <leon355@...> wrote:
> ∗∗
>
>
> On 12/05/2012 11:51, Randall Morgan wrote:
> > Radio Shack does sell a "ready to use" solution that does not
> > need diluting. But heating it does make a big difference. Also, it does
> not
> > seem to work as well as it used to, from my recollection, I used some a
> > couple months ago and it took 30 minutes to etch a small board with
> > an etchant temp of 100F. I recall that 20 years ago I could etch a board
> > four times this size in 10 minutes. When I purchased solution from a
> local
> > electronics supplier I got much better results. My suggestion, stay away
> > from Radio Shacks etchant. I suspect they either have very very old stock
> > or have reduced the concentration.
>
> Ferric chloride solution shouldn't deteriorate, unlike some other etchants.
>
>
> Leon
> --
> Leon Heller
> G1HSM
>
>
>
--
If you ask me if it can be done. The answer is YES, it can always be done.
The correct questions however are... What will it cost, and how long will
it take?
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