Great penetrating oil

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It seem like this product is not in the limelight. GIBBS appears to be a good penetrating oil. It will not harm wood. I have had good results with it.
 
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That's real useful for me, here in the Land of Rust. I've always used PB Blaster, but results have been mixed.

Thanks! :hatsoff:
In my area of Northern Land of Rust I was using PB Blaster with same results and last year switched to Kroil -- this obviously even better so Thx!!!
Just printed the test results and will send to both my sons as well...
 
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Back in the late 60's/early 70's, I worked in a place that made fiberglass boats. We continually washed our hands in acetone. Other than drying the skin excessively, no harm done.
The Agent Orange I ingested in Vietnam, on the other hand... Still suffering the effects these days, about has me all crippled up. Another spinal surgery a few weeks out.
 

SPQR70AD

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In my area of Northern Land of Rust I was using PB Blaster with same results and last year switched to Kroil -- this obviously even better so Thx!!!
Just printed the test results and will send to both my sons as well...
cheapest best penetrating oils as tested on project farm was good old liquid wrench finished a close second. kroil did bad in the tests
 
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If a 7yr old thread is going to be resurrected, it shouldn't be forgotten why it was made in the first place.
A 50/50 mix of Acetone and ATF,, is still the best!
OldJoe212; I remembered from a few car repair sites that the best penetrating oil by far is simply 50/50 mix of Acetone and Automatic Transmission Fluid.
And the "proof" is still valid;
Flint62Smoothie;
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
 

SPQR70AD

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machinist workshop mag pales in comparison to project farm for testing. atf and acetone is good but the acetone dries up in the mix in only a few days.. have to add it when you want to use it
 

SDSmlf

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machinist workshop mag pales in comparison to project farm for testing. atf and acetone is good but the acetone dries up in the mix in only a few days.. have to add it when you want to use it
Guess someone could invent a lid for a container to keep the acetone from drying up in the mix. Wonder why acetone doesn’t dry up in it’s container when it’s not in a mix?
 
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machinist workshop mag pales in comparison to project farm for testing. atf and acetone is good but the acetone dries up in the mix in only a few days.. have to add it when you want to use it
Ok.
Acetone does evaporate rapidly when exposed,,
That's a storage issue of the acetone and/or the mix,, a different issue than the validity of the mix as a release agent.
 

Dude

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The guy who discovered the mix later said he'd made a mistake in promoting ATF/Acetone. He had intended PSF/Acetone. Power Steering Fluid.

I had trouble keeping ATF/Acetone mixed and it didn't seem to work that great. Perhaps it's like some of you said, it evaporates out. But the PSF/Acetone is magic - works great! I keep it in a glass jar and it's worked fine for the last couple years or more without adding any acetone. It stays mixed.

I don't know what's different about PSF compared to ATF, but there evidently is. Some have tried to tell me there's no difference, but in this case I can attest that PSF works where ATF wasn't all that great.
 
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The guy who discovered the mix later said he'd made a mistake in promoting ATF/Acetone. He had intended PSF/Acetone. Power Steering Fluid.

I had trouble keeping ATF/Acetone mixed and it didn't seem to work that great. Perhaps it's like some of you said, it evaporates out. But the PSF/Acetone is magic - works great! I keep it in a glass jar and it's worked fine for the last couple years or more without adding any acetone. It stays mixed.

I don't know what's different about PSF compared to ATF, but there evidently is. Some have tried to tell me there's no difference, but in this case I can attest that PSF works where ATF wasn't all that great.
What ratio of PSF / acetone do you use? I need to get some old brass valves apart.
 
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