AmericanLongRifles Forums
General discussion => Gun Building => Topic started by: smoke on December 06, 2018, 09:56:52 PM
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Hi:What is the best penetrating oil you have used for rust and glue penetration? Thanks for Your opinions.
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The old Lucas penetrating oil for bolts and stuff and heat for glue.
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Here's a great easy-to-mix DIY product that will be the best penetrating fluid you could use ...
Perhaps this should be a ‘stickie’ post ...
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FWIW the best penetrating oil one can use is a DIY homemade mix of 50% acetone and 50% automatic transmission fluid (ATF).
Recently “Machinist Workshop Magazine” did a test on penetrating oils. Using nuts and bolts that they ‘scientifically rusted’ to a uniform degree by soaking in salt water, they then tested the break-out torque required to loosen the nuts. They treated the nuts with a variety of penetrants and measured the torque required to loosen them.
This is what they came up with:
- Nothing: 516 lbs
- WD-40: 238 lbs
- PB Blaster: 214 lbs
- Liquid Wrench: 127 lbs
- Kano Kroil: 106 lbs
- ATF/Acetone mix (50/50 mix): 50 lbs
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Good info -- thanks. I have Kano Kroil but the smell is bad to me so after it is gone I will be using the ATF/Acetone mix ;)
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Wow... just... wow. I've been a blaster fan for decades. Most definitely going to try acetone/atf. That's impressive.
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My mistake. I meant Kroil oil, not lucas. I've heard the ATF transmission fluid was good but I've never used it.
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In one lab we used acetone in a squirt bottle to test for leaks in high vacuum chamber fittings. Acetone has tremendous penetration and can carry other things along with it. I'm not surprised it made the top of the list when mixed with ATF.
A squirt of acetone would also take out flying insects...
Gerald
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Hard to beat diesel for cost and unoffensive aroma. It penetrates plenty well.
Add it to heavier oils to reduce viscosity...
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I have always had the best luc with Kroil, and it smells good too. :D
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I've used ATF mixed with kerosene as a lube for tapping screw holes.
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What is the fire potential when using acetone? I really don't know anything about it but sounds like I might want to get to know it.
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Be a bit careful with acetone. Unlike a lot of other liquids, it can penetrate the skin and it can act as a carrier for other chemicals while doing so.
Gerald
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I thought Kroil was the best till I tried Sea Foam penetrating lubricant, beats all others I have ever used. I have broken fittings loose, after soaking 15 or 20 minutes, that were rusted so bad you could hardly tell what they were. I tried it by accident, they were out of everything else at the NAPA one day.
I will always keep some around now. The thing I like about the kroil is I can buy it in a non aresol can.
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Always wear protective gloves you're doing a lot of work with it. Acetone can and does penetrate the skin. It's also a neurotoxin, ...think airplane glue .
Some folks put it in a bag and breathe it to get "high" ::) so... Always make sure you have good ventilation when using acetone. BTW, it works to unstick fingers or anything else stuck with crazy glue.
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An old guy told me years ago that iodine, the kind you used to buy at the drugstore was the best penetrant ever. I never tied it though.
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Iodine is corrosive. FWIW
Jeff
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Ladies finger nail polish remover is and used to contain acetone just depends what brand you buy today.
Fleener
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Aero Kroil is the best I’ve every found. Years ago I was a salesman making sales calls at a gold mine, and a geothermal steam field. Both of these places wouldn’t accept anything but Areo Kroil. So I brought a can home and tried it on some very old frozen up forge blowers I’d dug out of the ground. A couple of days of soaking, and the came apart easily.
Hungry Horse
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Always wear protective gloves you're doing a lot of work with it. Acetone can and does penetrate the skin. It's also a neurotoxin, ...think airplane glue .
Some folks put it in a bag and breathe it to get "high" ::) so... Always make sure you have good ventilation when using acetone. BTW, it works to unstick fingers or anything else stuck with crazy glue.
Glues, like Ambroid and Testors also spray paint contain toluene. That is the stuff idiots were huffing.
Acetone is found in small quantities in diabetics blood when their blood sugar gets too low. Toxicity is dosage dependent.
Use common sense, use good ventilation. Do not bathe in acetone or intentionally inhale it. It will dry your skin out quickly. It is very flammable.
http://www.sciencelab.com/msds.php?msdsId=9927062
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We used to use acetone and an acid brush in the machine shop to clean dycum off parts. If it splashed onto your calculator or eye protection it was toast....
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1:1:1:1 - kersene, mineral oil(varsol),atf,acetone = Ed's red - exceptionally good solvent but not for black powder.
Also as an post-cleaning oil for the bore.
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Is that automatic transmission fluid synthetic?
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Hands down Kroil is great stuff for removing surface rust.
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Is that automatic transmission fluid synthetic?
Yes - ATF is synthetic. A petroleum oil cannot withstand automatic transmission temperatures.
Petroleum products form asphalt at temperatures much over 300F, which is where automatic trannies
run. This is also why with the use of non-leaded fuel, most ALL motor oils are either partially or
wholly synthetic today. The temps involved with modern engine, valve trains and bearings are not kind
to straight petroleum oils, or visa/vis.
Dextron 3 will work just fine as I can no longer find Dextron 2.
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So with the flammability and potential skin absorption issues of Acetone/ATF, my choice from your list would be Liquid Wrench. Its nearly as effective as Kroil, without the harsh lingering odor that Kroil has. I have been using a can of LW I got on sale sometime back, and like it. Think I will stick with it based on your posted data.
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I happen to like the smell of Kroil and usually keep a pint handy. I was shouldn't be surprised at the effectiveness of ATF/acetone, because if you add kerosene you get "Eds Red" cleaner.
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Use whatever you want. I used to wash my hands with Acetone to get airplane glue as well as heavy oils off them. Yeah - should not have done that & I use WD40 now.
As to a penetrating solvent, the Acetone/ATF is more than 100% better than Kroil. I used to use Kroil, but it is a poor second best as a penetrating oil.
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I happen to like the smell of Kroil and usually keep a pint handy. I was shouldn't be surprised at the effectiveness of ATF/acetone, because if you add kerosene you get "Eds Red" cleaner.
[quote author Daryl]1:1:1:1 - kersene, mineral oil(varsol),atf,acetone = Ed's red - exceptionally good solvent but not for black powder.
Also as an post-cleaning oil for the bore.
[/quote]
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Kroil is wonderful stuff. I always buy the "dropper" cans, never aerosol cans. The propellant gas leaks out too fast, leaving product that cannot be used.
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Wintergreen Oil. In the Navy we used Wintergreen Oil on frozen steam line flange bolts. I also use Wintergreen Oil as a graver lube for hand engraving.
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Wintergreen Oil. In the Navy we used Wintergreen Oil on frozen steam line flange bolts. I also use Wintergreen Oil as a graver lube for hand engraving.
that definately would smell better than kroil
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I happen to like the smell of Kroil and usually keep a pint handy. I was shouldn't be surprised at the effectiveness of ATF/acetone, because if you add kerosene you get "Eds Red" cleaner.
Yes, Kroil a long time favorite, and I dig the smell and it's a Nashville product. Kano Labs yo. (and now I have proof for those who think WD40 is good for much besides water displacement (a good thing when that's what you're after).
Kroil is wonderful stuff. I always buy the "dropper" cans, never aerosol cans. The propellant gas leaks out too fast, leaving product that cannot be used.
Well, you can use it---just have to poke a hole in the can. My current Kroil is such - flat, but perforated.
Machinists turned me onto Gibb's a few years back and I like to have a can of it around too and not a bad smell, but it's not so easy to find.
Thanks for the reminder about acetone, I've bare-handed a more than I should have, but got wiser. And the ladies use that acetone (scented) on their nails, could be another health risk that folks mostly ignore.
And I shall mix up a batch of this stuff (Dexitone I might call it :P) or at least keep the recipe in mind for next time I need it. Thanks for sharing.
PB Blaster--I'd rather not ever smell again, at all. no how. no way. Pretty sure it'll happen, but I'm not looking forward to it. :o
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Hey Wade, try some of that WD40 on yer catfish bait...you might be pleasantly surprised...😉
Greg
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Hey Wade, try some of that WD40 on yer catfish bait...you might be pleasantly surprised...😉
Greg
I'm going to pass on that as I fish for flatheads and use live bait only. Prolly get them fork-tails nuts but I try no to catch a lot of those.