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16th April 2009, 05:22 PM #16
Interesting isn't it, distillation. Yes, most of the other 5% is water, with just traces of the denaturing material.
Yes, I wonder how they ever did FP hundreds of years ago without 100% alcohol Well in truth they didn't, because it didn't exist and doesn't exist except in the lab. The stuff that these days sells as 100% methylated spirits is just denatured absolute alcohol, it will be something like 99-99.8% ethanol, the remainder water and denaturing agent (<0.1%). It's 100% methylated spirits in the same way as red cordial concentrate is 100% cordial.
I would say absolute ethanol would have easily been made for the last couple of hundred years, it's just a distillation process, anhydrous (100%) ethanol is a more recent beast.
Cheers
Michael
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16th April 2009, 05:31 PM #17Deceased
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Agree, when I got mine I had to go to the other side of town but as I also bought turps, paintstripper, shellac flakes and a quantity of soap I still saved over $90 at the time. Worth the effort and made the polishing easier.
One thing to be aware of is that the generic stuff from Bunnings is often much less than 95 % often more closely to 60 %. So get a brand name like Diggers Rest or Haymes or similar.
Also agree as that advice should be engraved on all members forehead.
Peter.
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