Homebrew PCBs

nail polish works very well except it takes a little time to dry (hot 
air gun works great on it).  works well in ammonium perchlorate.

acetone is an awesome resist remover, especially on toner which comes 
off in seconds with an old toothbrush.

--- In Homebrew_PCBs@yahoogroups.com, "Gunnar Lestander  SM4VLM" 
<gunnar@p...> wrote:
> 
> 
> I have succesfully used paint.
> Together with a good quality artwork brush it works fine.
> 
> Maybe nailpolish work ? Small bottles easy to steal at home ,brush 
> included. But beware of the mrs.
> 
> It's said to work with strong acids but I've never tried.
> Works well with ferrochlorid.
> 
> After etching I remove the paint with Aceton (Propanon CH3COCH3).
> 
>  // Gunnar