Homebrew PCBs

Is it hammer finish like shown on your site or high gloss?




On Mon, Dec 12, 2011 at 9:46 AM, John <jferrell13@...> wrote:

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> --- In Homebrew_PCBs@yahoogroups.com, Stefan Trethan <stefan_trethan@...>
> wrote:
> >
> > Richard mentioned he used alcohol before.
> > I gather US rubbing alcohol is some poor quality isopropanol,
> > sometimes with all sorts of crap thrown in, so your theory seems
> > plausible.
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> FWIW, I have a little experience with Isopropol alcohol in the US. It is
> readily available in Pharmacys. I work with epoxy resins occaisionally. The
> 70% alcohol-30% water grade is very cheap, less than a dollar a bottle. I
> use it for clean up. The 99% is about 4 times as much and must be ordered
> in. That is a day or so at WalMart. I use the 99% to thin epoxy to brush
> it. Methyl alcohol may be better for both purposes but I don't like the
> feel of it on my hands.
>
> de W8CCW
>
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