Penetrating Oils Revisted
Posted: Tue Dec 11, 2012 9:15 pm
I thought this would make for a good read, I have been using the laquer thinner/atf mix for years myself using spray bottles
Tim
Penetrating Oils
Machinist's Workshop MagT recently published some information on various penetrating
oils that I found very interesting. Some of you might appreciate this. The magazine reports
they tested penetrates for break out torque on rusted nuts.
They are below, as forwarded by an ex-student and professional machinist. 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 oils ........... Average torque load to loosen*
No Oil used ................... 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 is a "home brew" mix of 50 - 50 automatic transmission fluid and
acetone. Note this "home brew" released bolts 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 almost as good as "Kroil" for about 20% of the price.
Steve from Godwin-Singer says that ATF-Acetone mix is best, but you can also use ATF
and lacquer thinner in a 50-50 mix. *ATF=Automatic Transmission Fluid
Tim
Penetrating Oils
Machinist's Workshop MagT recently published some information on various penetrating
oils that I found very interesting. Some of you might appreciate this. The magazine reports
they tested penetrates for break out torque on rusted nuts.
They are below, as forwarded by an ex-student and professional machinist. 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 oils ........... Average torque load to loosen*
No Oil used ................... 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 is a "home brew" mix of 50 - 50 automatic transmission fluid and
acetone. Note this "home brew" released bolts 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 almost as good as "Kroil" for about 20% of the price.
Steve from Godwin-Singer says that ATF-Acetone mix is best, but you can also use ATF
and lacquer thinner in a 50-50 mix. *ATF=Automatic Transmission Fluid