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Posted: 2/22/2019 10:22:26 AM EDT
[#1]
I am just about positive acetone does not react with aluminum at all.
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Posted: 2/22/2019 10:23:05 AM EDT
[#2]
It might take the dye out of the anodizing.
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Posted: 2/22/2019 10:23:24 AM EDT
[#3]
No, but a freezer would be better than acetone.
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Posted: 2/22/2019 10:24:41 AM EDT
[#4]
Acetone doesnt. Simple green will though, after long enough exposure.
Degrease, or degrees? |
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Posted: 2/22/2019 10:25:26 AM EDT
[#5]
I use it quite a bit on unanodized 6061 aluminum with no bad effects. I don't soak parts in it though, so I can't say for certain.
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Posted: 2/22/2019 10:29:07 AM EDT
[#6]
Quote HistoryQuoted:
No, but a freezer would be better than acetone. OP, I wouldn't leave anodized soak over night. I've used gallons of acetone on aluminum but never have soaked it so I couldn't guarantee one way or another. If whatever is on there doesn't come off in a minute or two (or using a brush if it's down it crevices) then it won't come off with acetone. It either is solvent or not. I've had some gummy stuff that acetone wouldn't dissolve but WD40 would. Solvents are funny like that. |
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Posted: 2/22/2019 10:29:57 AM EDT
[#7]
Give it a mercury wash, cleans it right up.
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Posted: 2/22/2019 10:31:05 AM EDT
[#8]
Why an overnight soak?
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Posted: 2/22/2019 10:32:15 AM EDT
[#9]
Quote HistoryQuoted:
LOL. Nice. OP, I wouldn't leave anodized soak over night. I've used gallons of acetone on aluminum but never have soaked it so I couldn't guarantee one way or another. If whatever is on there doesn't come off in a minute or two (or using a brush if it's down it crevices) then it won't come off with acetone. It either is solvent or not. I've had some gummy stuff that acetone wouldn't dissolve but WD40 would. Solvents are funny like that. |
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Posted: 2/22/2019 10:46:11 AM EDT
[#10]
I usually use mineral spirits followed by acetone, but on bare metal. I wouldn't soak it or it might become bare metal.
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Posted: 2/22/2019 10:49:18 AM EDT
[#11]
Use naphtha to degrease. It’s not as harsh and won’t affect anodizing.
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Posted: 2/22/2019 10:54:40 AM EDT
[#12]
Acetone is a fine degreaser for aluminum. The soaking is puzzling. If you're trying to chemically remove oxide I don't think acetone will work, you need acid for that.
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Posted: 2/22/2019 10:57:10 AM EDT
[#13]
Quote HistoryQuoted:
Acetone doesnt. Simple green will though, after long enough exposure. Degrease, or degrees? |
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Posted: 2/22/2019 10:58:25 AM EDT
[#14]
Quote HistoryQuoted:
Why an overnight soak? |
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Posted: 2/22/2019 11:01:13 AM EDT
[#15]
I don't know and don't want to experiment. Smith and Wesson uses a clear coat on their Aluminum J-frames
I am not sure if it may take that finish off if the gun were left in it for a period of time |
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Posted: 2/22/2019 11:05:20 AM EDT
[#16]
Just hose them down with brake cleaner and be done in 30 seconds.
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Posted: 2/22/2019 11:12:09 AM EDT
[#17]
Wouldn't the acetone evaporate pretty quickly?
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Posted: 2/22/2019 11:13:44 AM EDT
[#18]
Quote HistoryQuoted:
Good point......I have never soaked it in acetone for hours either come to think of it. |
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Posted: 2/22/2019 11:14:43 AM EDT
[#19]
Quote HistoryQuoted:
Just hose them down with brake cleaner and be done in 30 seconds. |
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Posted: 2/22/2019 11:18:46 AM EDT
[#20]
Quote HistoryQuoted:
A lot of the non-chlorinated brake cleaners are acetone, just in a spray can. |
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Posted: 2/22/2019 11:21:06 AM EDT
[#21]
Quote HistoryQuoted:
leaving town and want to drop some stripped lowers to durracoat when i get back in a cpl days Quote HistoryQuoted:
Quoted:
Why an overnight soak? |
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Posted: 2/22/2019 11:22:39 AM EDT
[#22]
How many "Degrees" does OP have?
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Posted: 2/22/2019 11:27:39 AM EDT
[#23]
Mix water and Lye, it will come out clean lol
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Posted: 2/22/2019 11:32:38 AM EDT
[#24]
Acetone has no effect on aluminum.
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Posted: 2/22/2019 11:33:19 AM EDT
[#25]
If it's gunk like diesel soot I found wd40 worked the best. Then hit it with acetone to remove the wd40.
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Posted: 2/22/2019 11:35:30 AM EDT
[#26]
Quote HistoryQuoted:
Mix water and Lye, it will come out clean lol 
this is a great trick for gummed up bits/blades |
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Posted: 2/22/2019 11:41:08 AM EDT
[#27]
Quote HistoryQuoted: A 10 minute acetone soak is usually overkill enough to get the vast majority of greases off. You'll want to bake the solvent off if you want your coating to stick well - the lowest setting on your oven will probably do, just long enough to get the part up to temp. Acetone can irreversibly adsorb into aluminum oxide, so you don't want to soak any more than is necessary, especially if this is an anodized part. I do a clean rag and spray bottle wipe down for large parts... Dip for small parts like 10 seconds... a shake of the part while wearing examination gloves... If I am painting it I will then use a heat gun set on low at about 12 inches to heat the part up after the part looks like the acetone has evaporated. |
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Posted: 2/22/2019 11:43:37 AM EDT
[#28]
Don't make it complicated. Brake cleaner.
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Posted: 2/22/2019 11:50:30 AM EDT
[#29]
Quote HistoryQuoted:
Wouldn't the acetone evaporate pretty quickly? |
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Posted: 2/22/2019 11:51:25 AM EDT
[#30]
Quote HistoryQuoted:
this is a great trick for gummed up bits/blades |
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Posted: 2/22/2019 12:01:41 PM EDT
[#31]
Quote HistoryQuoted:
A lot of the non-chlorinated brake cleaners are acetone, just in a spray can. Quote HistoryQuoted:
Quoted:
Just hose them down with brake cleaner and be done in 30 seconds. I always use lab grade acetone but that's mostly because we happen to have it in the shop for cleaning ECM cathodes before applying the masking insulation. Lowes acetone in the can does fine. |
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Posted: 2/22/2019 12:04:29 PM EDT
[#32]
Quote HistoryQuoted:
That makes sense. I did not know that, but it would explain why it evaporates so quickly. Quote HistoryQuoted:
Quoted:
A lot of the non-chlorinated brake cleaners are acetone, just in a spray can.
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Posted: 2/22/2019 12:05:35 PM EDT
[#33]
As others have said, acetone will not affect aluminum in it's bare form. Immersion of anodized aluminum parts that are COLORED might remove the coloration, but probably will not actually remove the anodizing. (Colored anodizing is just regular anodizing with a dye added.)
Acetone is a plain petrochemical, and as such, will not attack aluminum in any way. Stuff like Simple Green is NOT a petrochemical. It has a bunch of organic compounds in it, and as such, can and WILL attack aluminum with prolonged exposure. |
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Posted: 2/22/2019 12:08:31 PM EDT
[#34]
Quote HistoryQuoted:
As others have said, acetone will not affect aluminum in it's bare form. Immersion of anodized aluminum parts that are COLORED might remove the coloration, but probably will not actually remove the anodizing. (Colored anodizing is just regular anodizing with a dye added.) Acetone is a plain petrochemical, and as such, will not attack aluminum in any way. Stuff like Simple Green is NOT a petrochemical. It has a bunch of organic compounds in it, and as such, can and WILL attack aluminum with prolonged exposure. |
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Posted: 2/22/2019 12:10:19 PM EDT
[#35]
Acetone's a great mouthwash.
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Posted: 2/22/2019 12:12:30 PM EDT
[#36]
Quote HistoryQuoted: leaving town and want to drop some stripped lowers to durracoat when i get back in a cpl days |
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Posted: 2/22/2019 12:13:55 PM EDT
[#37]
Quote HistoryQuoted:
Uh, acetone is an organic compound.... Quote HistoryQuoted:
Quoted:
As others have said, acetone will not affect aluminum in it's bare form. Immersion of anodized aluminum parts that are COLORED might remove the coloration, but probably will not actually remove the anodizing. (Colored anodizing is just regular anodizing with a dye added.) Acetone is a plain petrochemical, and as such, will not attack aluminum in any way. Stuff like Simple Green is NOT a petrochemical. It has a bunch of organic compounds in it, and as such, can and WILL attack aluminum with prolonged exposure. That's good to know not to use simple green though, whatever is in it |
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Posted: 2/22/2019 12:16:09 PM EDT
[#38]
Acetone won't remove anodizing.
The dye in colored anodizing is trapped in the pores. A lot of hard anodizing that is black or dark gray doesn't even have dye. The anodizing process turns it dark. |
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Posted: 2/22/2019 12:19:48 PM EDT
[#39]
Acetone will not hurt you anodized aluminium parts. The break clean we all use is majority acetone and I have used it on lots of finishes. You really do not need to soak it also soaking it is not the proper way to remove oil. Start at the highest part of the piece and spray down to get the oil to run off using gravity.
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Posted: 2/22/2019 12:29:31 PM EDT
[#40]
nvm, someone beat me to it
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Posted: 2/22/2019 12:31:52 PM EDT
[#41]
Quoted:
need to degrees a few parts just want to make sure it wont mess them up for over night soaking 
I am sure college is not required whatsoever. |
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Posted: 2/22/2019 12:34:52 PM EDT
[#42]
I use Acetone for aluminum final prep before Tig welding, never a problem.
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Posted: 2/22/2019 12:35:19 PM EDT
[#43]
Quote HistoryQuoted:
Acetone's a great mouthwash. Speaking of acetone and H2O2...
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Posted: 2/22/2019 12:36:26 PM EDT
[#44]
When I clean motorcycle cases I use WD-40 in the gallon can and a brass brush. They look like new when I am done.
Acetone is not the best IMO, for really stubborn stains MEK gets the job done, but it probably takes a year or two off your life working with it. Stay away from aluminum cleaners with ammonia, trace amounts left on the surface will cause some white corrosion in time. |
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Posted: 2/22/2019 12:46:26 PM EDT
[#45]
Acetone is fine for both aluminum & anodized aluminum. It won’t remove the color from properly sealed anodized hard coat, but it will look funky degreased. The funny, frosty color resolves when you add oil, CLP or some other lube that’s held by anodizing “pores.”
Aluminum is eaten/dissolved in strong acid or mild-strong base, like detergents, Simple Green, dishwasher soap. In fact, lye bath is a step in anodizing to expose in-anodized aluminum. As the acetone evaporates, the grease is left. So soaking for 15-30’ then rinsing with acetone degreases well, but personally, I prefer GunScrubber. YMMV. |
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Posted: 2/22/2019 12:50:07 PM EDT
[#46]
Quote HistoryQuoted:
Acetone won't remove anodizing. The dye in colored anodizing is trapped in the pores. A lot of hard anodizing that is black or dark gray doesn't even have dye. The anodizing process turns it dark. To answer OP's question, it depends on the alloy. Acetone can attack copper rich aluminum alloys such as 2024. It is also reactive to water, even in the air and can induce pitting when it reacts with some compounds. I would not soak any aluminum alloy in any solvent for an extended amount of time. If your coating guy is competent he will de-grease your parts prior to coating even if you have prior, just go on your trip and don't worry about them. |
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Posted: 2/22/2019 4:38:06 PM EDT
[#47]
I don't see how an organic solvent can react with a metal, but I await an opinion from some sort of either a chemist or a metallurgist.
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Posted: 2/22/2019 5:02:51 PM EDT
[#48]
Quote HistoryQuoted:
I don't see how an organic solvent can react with a metal, but I await an opinion from some sort of either a chemist or a metallurgist. 
There's a wide spectrum of substances covered by "metal" and "organic solvent". For example, alkali metals can dissolve in tetrahydrofuran. Francois Grignard was awarded the Nobel Prize in 1912 for the eponymous reaction involving organomagnesium compounds. So yes it's possible but gun owners are largely safe from this phenomenon
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Posted: 2/22/2019 5:10:05 PM EDT
[#49]
Quote HistoryQuoted:
Organometallic chemistry is a fascinating topic
There's a wide spectrum of substances covered by "metal" and "organic solvent". For example, alkali metals can dissolve in tetrahydrofuran. Francois Grignard was awarded the Nobel Prize in 1912 for the eponymous reaction involving organomagnesium compounds. So yes it's possible but gun owners are largely safe from this phenomenon My statement was too broad, I see. |
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Posted: 2/22/2019 5:23:14 PM EDT
[#50]
Quote HistoryQuoted:
Makes sense, VOC= volatile organic compound. That's good to know not to use simple green though, whatever is in it |
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