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[Spridgets] penetrating oils-

To: <spridgets@autox.team.net>
Subject: [Spridgets] penetrating oils-
From: "Deikis, John G" <John.Deikis@va.gov>
Date: Mon, 13 Apr 2009 17:37:50 -0400
Regarding a recent string, I thought this was of some interest.

Machinist's Workshop magazine actually tested penetrants for break out
torque on rusted nuts. Significant results! They are below, as forwarded
by an ex-student and professional machinist, Bud Baker.

Don't forget the April 2007 "Machinist's Workshop" magazine comparison
test.

They arranged a subjective test of all the popular penetrants with
the control being the torque required to remove the nut from a
"scientifically rusted" environment.


------------------------Average load

None ..................... 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. Our local machinist group mixed up a batch and we all
now
use it with equally good results. Note also that "Liquid Wrench" is
about
as good as "Kroil" for about 20% of the price. *

*Your experience may vary, etc., etc.*



-JohnD
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