Penetrating Oils tested

Chris Burgess chris at chrisburgess.com
Thu Apr 15 15:15:06 PDT 2010


Any indication of what materials where used for the nut/bolt?

On Thu, Apr 15, 2010 at 3:12 PM, Jim Stewart <js at strappe.com> wrote:

> From the MC-Chassis-Design list:
>
>
> -------- Original Message --------
> Subject: [MC-CHASSIS-DESIGN] Fw: Penetrating Oil
> Date: Thu, 15 Apr 2010 22:04:22 +0200
> From: Guy <guy.hockley at skynet.be>
> Reply-To: MC-CHASSIS-DESIGN Mailing List <mc-chassis-design at micapeak.com>
> To: <mc-chassis-design at micapeak.com>
>
>
>
> Subject: [MHml] Penetrating Oil
>
> > But I think most will excuse the bandwidth given the value of the
> > information and the fact that we _all_ use the stuff ..... assuming
> always
> > that its true
> > -------------------------------------------------------
> > Penetrating Oils Compared
> >
> > Machinist's Workshop magazine actually tested penetrants for break
> > out torque on rusted nuts. Significant results! 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.
> >
> > Penetrating oil ..... 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.   **** See addendum below ***
> >
> > Note the "home brew" was better than any commercial product in this
> > one particular test. A local machinist group mixed up a batch and 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.
> >
>
>
>
> **** Addendum:
>
> From: Michael Moore <mmoore at eurospares.com>
> Reply-To: MC-CHASSIS-DESIGN Mailing List <mc-chassis-design at micapeak.com>
> To: MC-CHASSIS-DESIGN Mailing List <mc-chassis-design at micapeak.com>
> References: <D9ED31AC4E3E4E4C9B2079C298E85B1A at vardo>
>
> FWIW,
>
> "However, there was some confusion. The author said ATF-Acetone mix
> -- but in reality it was power steering fluid. In fact, the picture in the
> magazine which displayed all the products actually shows a bottle of
> power steering fluid -- not ATF."
>
> cheers,
> Michael
>
>


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