Homebrew PCBs

MEK stands for Meth-Ethyl-Ketone, and yes, I have seen something like an order of magnitude difference in how much of the green foil leaves the traces, and does not get re-deposited on the bare fiberglass elsewhere.

Available from McMaster-Carr
http://www.mcmaster.com/?orderview=new#fluorescent-ballasts/=8dz6aa
MSDS sheet for MEK
http://www.sciencelab.com/msds.php?msdsId=9927358

it is not expensive, $10 for a quart. Just get it on your skin or breath the vapors!

Mike


--- In Homebrew_PCBs@yahoogroups.com, Alessio Sangalli <alesan@...> wrote:
>
> On 08/11/2010 09:59 AM, Mike Bushroe wrote:
> 
> > I was not always able to get the green foil off well, even in a acetone
> > bath, so I stepped up the M.E.K. Toxic stuff, but effective.
> 
> Normally I've seen a trend like "the more toxic, the more effective", so 
> I am very interested in this. Can you tell me more about "MEK"?
> 
> bye
> as
>