[Public-List] Lubricants

[Rod]

Interesting. That jibes with what we was told some years ago that WD-40 is corrosive. Makes sense if it can weaken an iron oxide bond it must be pretty aggressive stuff.  Or does it corrode because there is no oil left to protect the metal??
Mike; did they happen to test CRC-556 ?


Cheers,  Rod 

-------- Original message --------
From: Gordon Laco <mainstay at csolve.net> 
Date:10/03/2014  12:10 PM  (GMT-05:00) 
To: Alberg 30 Public List -- open to all <public-list at lists.alberg30.org> 
Subject: Re: [Public-List] Lubricants 

Interesting stuff Mike -

I had something about WD-40 explained to me that you folks may already know,
but I didn't. 

Once WD-40 has evaporated, there is virtually no lubricant left.  In fact,
WD-40 will rinse off grease or thicker oil leaving what no lubrication
protection at all.  It should be considered a 'momentary' lubricant.

I had this explained to me in context of a car door lock I ruined by
injecting WD-40.  What I'd done was rinse out any lubricant that had been
present leaving no protection at all.

Interesting stuff.

Gord #426 Surprise


On 10/03/14 8:59 AM, "Mike Lehman" <sail_505 at hotmail.com> wrote:

> Machinist¹s Workshop Mag recently published some information on various
> 
penetrating oils that is very interesting. You might appreciate this. 
The
> magazine reports they tested penetrates for break out torque on 
rusted nuts.
> They are below, as forwarded by a 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 
³scientifically rusted²
> environment.

*Penetrating oil .......... Break out torque*
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
> ³home brew² mix of 50 - 50 automatic 
transmission fluid and acetone. Note the
> ³home brew² was better than any 
commercial product in this one particular
> test and you can also use ATF- 
lacquer thinner 50 - 50 mix. Note also that
> ³Liquid Wrench² is almost as 
good as ³Kroil² for about 20% of the price.
> 

~~~_/)_/)~~ Mike Lehman
> ~~_/)~~~


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