Homebrew PCBs

Leon Heller wrote:
> 
>>From: Marc Rosales <mdr911@...>
>>Reply-To: Homebrew_PCBs@yahoogroups.com
>>To: Homebrew_PCBs@yahoogroups.com
>>Subject: [Homebrew_PCBs] photoresist
>>Date: Sun, 5 Oct 2003 18:11:05 -0700 (PDT)
>>
>>Hi all,
>>
>>I would just like to ask where can buy the spray
>>photoresist. I have been searching the web for quite
>>some time and i can't find a web site that sells it.
> 
> Electrolube used to make an aerosol resist, but I just checked their web 
> site and couldn't find it:
> 
> http://www.electrolube.com/
> 
> They changed the stuff a couple of years ago and the new formulation doesn't 
> work very wel;, perhaps they have withdrawn it as a result.

http://www.electrolube.com/product/techdata/eldata/PRP.DOC
http://www.electrolube.com/product/techdata/eldata/PRP-OLD.DOC

It works ok for me. Cleaning the copper of oil and preservative
is the most important step.