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Jul 28th, 2025
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Joined: Dec 2002
Posts: 659
Sidelock
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OP
Sidelock
Joined: Dec 2002
Posts: 659 |
Other than a fine single malt or one of the boutique tequilas that is. When following the wonderous Wonko's directions for stripping and cleaing up oil soaked stocks, after the soaking in Acetone, there is a bath in Denatured Alchohol. I am curious as to why.
Yea, I'm bored.
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Joined: Jan 2002
Posts: 6,523 Likes: 162
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 6,523 Likes: 162 |
Maybe because that removes the film left by the Acetone bath? Or it has something to do with the drying of the wood? It has been so long since it was posted, I forgot myself.
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Joined: Feb 2003
Posts: 4,109 Likes: 78
Sidelock
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Sidelock
Joined: Feb 2003
Posts: 4,109 Likes: 78 |
Acetone is an excellent solvent, but not universal. I'm guessing the alcohol is necessary to help remove alcohol based stains that may have been used.
I'm about to soak a stock myself... to remove 75 years of linseed oil. That stuff sould be banned.
"The price of good shotgunnery is constant practice" - Fred Kimble
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Joined: Mar 2002
Posts: 1,815 Likes: 4
Sidelock
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Sidelock
Joined: Mar 2002
Posts: 1,815 Likes: 4 |
Alcohol is a poor solvent for finishes, although it is slightly
hydroscopic if 90% is used. It does act as a vehicle for stains,but in my opinion (a Rx) it is useless for stripping and oil removal.
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Joined: Jan 2002
Posts: 3,660 Likes: 7
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 3,660 Likes: 7 |
Looking through my archives I saw that Geno replaces the alcohol for lighter fluid as he says alcohol has 2% water that is not good for the wood.
No reference could I find as to why they used a second bath, but it seems to be a sort of final rinse.
JC
"...it is always advisable to perceive clearly our ignorance."ť Charles Darwin
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Joined: Dec 2001
Posts: 6,457 Likes: 336
Sidelock
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Sidelock
Joined: Dec 2001
Posts: 6,457 Likes: 336 |
One thing the alcohol does is get rid of the acetone which is quite toxic.
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Joined: Jan 2002
Posts: 3,660 Likes: 7
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 3,660 Likes: 7 |
"...it is always advisable to perceive clearly our ignorance."ť Charles Darwin
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Joined: Jan 2002
Posts: 527
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 527 |
Acetone is very hydroscopic, it just loves water, to keep it active you should "soak" your project in a sealed/covered container of some sort especially where the humidity is elevated. I suspect the alcohol is used to remove traces of moisture out of the wood but this a guess at best, simply letting it dry out would accomplish the same thing. There is a very simple test to see if your acetone is wet, will post if anyone is interested. --- John Can.
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Joined: Feb 2003
Posts: 4,109 Likes: 78
Sidelock
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Sidelock
Joined: Feb 2003
Posts: 4,109 Likes: 78 |
Acetone is hygroscopic. To an extent. It stabilizes at about 10% water content, which isn't much. It evaporates quickly. We used to wash glassware with it. It's not overly toxic unless you drink it... we used to have beakers of the stuff sitting around open... Obviously, concentrating the fumes and inhaling might shorten your chemistry career.
Any organic solvent should be treated with care, even ethanol, which when consumed in quantity can lead to serious lapses in judgement.
"The price of good shotgunnery is constant practice" - Fred Kimble
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Joined: Jan 2002
Posts: 3,660 Likes: 7
Sidelock
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Sidelock
Joined: Jan 2002
Posts: 3,660 Likes: 7 |
I may have an inkling as to who has been imbibing his ethanol lately. :-)
JC
"...it is always advisable to perceive clearly our ignorance."ť Charles Darwin
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