Homebrew PCBs

IPA- carcinogenic. Please be careful with it.

Mike

--- In Homebrew_PCBs@yahoogroups.com, "Phil" <phil1960us@y...> wrote:
> That's my experience, too.  I use emery cloth (600 grit) as well as 
a 
> good detergent scrub and IPA (isopropyl alcohol or India Pale Ale - 
I 
> like 'em both).  I always assumed that the soap leaves a residue 
that 
> decreases the bonding.  Also some soaps/detergents have lanolin in 
> them and that is way bad for bonding toner.
> 
> I believe the emery cloth creates more surface area for the toner 
to 
> bond to.  My results improved significantly with that.
> 
> --- In Homebrew_PCBs@yahoogroups.com, Richard Mustakos 
> <rmustakos@a...> wrote:
> >   I have scrubbed the surface of boards , and washed them with 
> > detergents, but until I used IPA, I was never able to get the 
toner 
> to 
> > stick reliably.  Does anyone know why the detergent doesn't clean 
> the 
> > oils off?  Does it leave it's own coating?
> > Richard