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 > > > > > >
Message
Re: [Homebrew_PCBs] Heatless (cold) Toner Transfer for PCB making
2016-01-06 by Roger Blair
Attachments
- No local attachments were found for this message.