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Re: [Homebrew_PCBs] Heatless (cold) Toner Transfer for PCB making

2016-01-06 by Roger Blair

FYI...
http://www.sciencelab.com/page/S/PVAR/SLE2248
General Chemical Specifications*: *Assay (C_2 H_5 OH; by Volume) Min. 
99.5% Water (H2O)0.2%
Roger Blair

On 1/5/2016 5:43 PM, Jean-Paul Louis louijp@... [Homebrew_PCBs] wrote:
>
> Pure Ethyl Alcohol (Ethanol) will be the hardest to find in the US. 
> All the pharmacies in the US now carry IPA (Iso Propyl Alcohol) which 
> is not Ethanol. 96% purity limit for current ethanol is not by 
> accident. It is the maximum purity that you can obtain by 
> distillation. In order to get 99%, you need to use a different process 
> that will go beyond the 96% limit. I do not know the english name of 
> the process.
> When I was in France, 99% Ethanol was available at any pharmacy and 
> was called \u201cAlcool rectifi�\u201d which translate approximately by 
> rectified alcohol.
>
> My $0.02,
> Jean-Paul
> N1JPL / ex-AC9GH
>
> > On Jan 5, 2016, at 7:02 PM, alienrelics@... [Homebrew_PCBs] 
> <Homebrew_PCBs@yahoogroups.com> wrote:
> >
> > It says Ethyl Alcohol, which is often denatured. Not everyone uses 
> the same denaturing agents.
> >
> >
> > However, in one of the comments he says:
> > "The one I use is Ethyl alcohol (pure 96%) also called Ethanol. It's 
> the one used as antiseptic."
> >
> > Medical Ethyl alcohol seems to be about 95% or so.
> >
> > Hardware store denatured alcohol seems to be about 90%.
> > https://en.wikipedia.org/wiki/Denatured_alcohol
> >
> > Some people in the comments mentioned Everclear. It seems to be sold 
> in 75.5% (151 proof) and 95% (190 proof).
> >
> > Steve Greenfield AE7HD
> >
> >
>
>

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