Homebrew PCBs

fenrir_co(fenrir@...) is reported to have said:
> --- In Homebrew_PCBs@yahoogroups.com, Wayne Topa <linuxone@...> wrote:
> >
> > protonceksleeperman(protoncek@...) is reported to have said:
> > > That's a good one! I can't find mentioned product here, so i tried 
> > > similar stuff - tarnish remover - i found Cillit Bang in local 
> > > store, tried on some old copper and it cleaned it perfectly! I 
> will 
> > > try transferring tomorrow to see how it works in real life, but 
> for 
> > > now thanks for info!
> > > 
> > > Paul
> 
> Remember that many of these tarnish removal chemicals /also/ leave a 
> 'protective layer' in order to prevent the metal from tarnishing 
> again. This can prevent adhesion - I'm surprised Tarn-X worked. I 
> would reccomend wiping down with 91% isporopyl (Wal-mart has this) 
> with Bounty's 'No Streak Glass Paper Towels', designed not to leave 
> residue. Some paper towels will leave their own residue - I've found 
> that Scott white shop rags on a roll leave a mess if used with 
> acetone.
I will add a 91% isporopyl to the list for my next board.

Thanks!

Wayne