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Mechanical Tips
(follow links for the original articles)
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Page Contents
Penetrating Oil Break Out Torque Test
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Penetrating Oil Break Out Torque Test
(if anyone has link to article please let me know and I'll add it)
Machinist's Workshop magazine actually tested penetrates for break-out
torque on rusted nuts. They arranged a subjective test of all the popular
penetrates with the control being the torque required to remove the nut from a
"scientifically rusted" environment.
*Penetrating Oil and Average Load*
Nothing..................... 516 pounds
WD-40....................... 238 pounds
PB Blaster................ 214 pounds
Liquid Wrench......... 127 pounds
Kano Kroil............... 106 pounds
ATF-Acetone mix..... 53 pounds
The ATF-Acetone mix was a "home brew" mix of 50-50 automatic transmission
fluid and acetone. Note the "home brew" was better than any commercial
product in this one particular test. Note also that "Liquid Wrench" is about as
good as "Kroil" for about 20% of the price.
Have no idea how the testing was done, but it is interesting. Guess I wont be buying any more commercial stuff.
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Oct 15, 2009
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