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Old 02-18-2013
chuck53 chuck53 is offline
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Re: Favorite penetrating oil that DOESN'T STINK!

Quote:
Originally Posted by Fstbttms View Post
The April/May 2007 edition of Machinist's Workshop did a test of penetrating oils where they measured the force required to loosen rusty test devices. Buy the issue if you want to see how they did the test. The results reported were interesting. The lower the number of pounds the better. Mighty interesting results for simple acetone and tranny fluid!

Penetrating oil . Average load .. Price per fluid ounce
None .................. 516 pounds .
WD-40 .............. 238 pounds ... $0.25
PB Blaster ......... 214 pounds .. $0.35
Liquid Wrench ... 127 pounds .. $0.21
Kano Kroil ........ 106 pounds .. $0.75
ATF-Acetone mix.. 53 pounds .. $0.10

The ATF-Acetone mix was a 50/50 mix (1 to 1 ratio).
I saw this a few weeks ago and was surprised that PB Blaster wasn't much better than WD-40. Since I don't want to mix my own, the next time I go to the hardware, I'm getting a can of Liquid Wrench for my toolbox. Seems to be the best bang for my buck.
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