Yes everything is made of plastic, both PVC and PP, except some
screws which are A4 stainless which is acid resistant.
Regards
Martin
--- In Homebrew_PCBs@yahoogroups.com, Les Newell <les@l...> wrote:
> Just make sure your tank is compatible with your etchant - Ferric
will
> eat stainless!
>
> Les
>
> Stefan Trethan wrote:
> >>I think I read about surface tension of the etchant and exposure
of
> >>the coppper being different if it was submerged and bubbled and
> >>sprayed. IIRC, spraying acutally allowed the etchant to be
removed
> >>down to the copper whereas the think film of etchant with
bubbling
> >>never really did.
> >>
> >>Dave
> >>
> >
> >
> > must be the cause. moving the board seems to work ok, and it is
zero-mist
> > also.
> >
> > I wonder what a ultrasonic transducer would cause?
> > I mean it also rips off the etchant, doesn't it? the question is
if the
> > resist
> > would survive (anyone having a ultrasonic please put a board
with resist
> > in and tell us).
> >
> > ST
> >
> >
> >
> > Be sure to visit the group home and check for new Bookmarks and
files:
> > http://groups.yahoo.com/group/Homebrew_PCBs
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >