Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
previous in topic topic list next in topic

Subject: Re: [Homebrew_PCBs] Re: Softening solder paste

From: "Myc Holmes" <mycroft2152y@...>
Date: 2008-02-18

Most Isopropanol that you buy in a drug store is 70%, the rest water. Check
with the pharmasist, he/she may have some 90%. In a last resort, you can
purchase anhydrous (100%) for a chemical supply company. But keep the bottle
closed as it will absord water form the air.

Myc

On Feb 18, 2008 3:54 AM, Stefan Trethan <stefan_trethan@...> wrote:

> Well i tried IPA and it popped the components off.
> But IPA is notorious for containing water, so maybe that's the culprit.
>
> ST
>
> On Feb 18, 2008 9:31 AM, michael_haberler <reg5612@...<reg5612%40mah.priv.at>>
> wrote:
> > --- In Homebrew_PCBs@yahoogroups.com <Homebrew_PCBs%40yahoogroups.com>,
> Bill Maxwell <wrmaxwell@...> wrote:
> > >
> > > I have had great results using a Flux Pen, type SMF12P, manufactured
> by
> > > Electrolube, to soften dried out solder paste, Marko. It would be
> > > useful to know just what the solvent used in that product is. A tub of
> > > it would be very handy on the work-bench.
> >
> > I've read up the safety description of the SMF12P Flux Pen - see
> > http://www.farnell.com/datasheets/60861.pdf .
> >
> > It lists Propan-2-ol (Isopropanol) - should be easy to get.
> >
> > -Michael
> >
> >
> >
> >
> >
> > Be sure to visit the group home and check for new Links, Files, and
> Photos:
> > http://groups.yahoo.com/group/Homebrew_PCBs
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
>
>
>


[Non-text portions of this message have been removed]