Homebrew PCBs

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
> > 
> > 
> > 
> >  
> > 
> >