[GreenKeys] [Bulk] Re: [Bulk] Re: WD-40

[drlegendre .]

Sorry, I must be confused.. my recollection was that 3-in-1 was a
vegetable-based oil that went rancid and turned to sticky, nasty gum over
time. As a personal example, I had a well-used can, and the little pop-out
spout had a coating of sticky, old oil on it.. it was so gummed up you
could hardly even pop the spout open to use it any more.

Was that not 3-in-1? Some other common, household / hardware store brand,
then? I swear, I was warned off of the stuff bigtime, many years ago.

On Sun, Jun 7, 2015 at 11:08 AM, Richard Knoppow <1oldlens1 at ix.netcom.com>
wrote:

>      There are two oils sold under the 3 in 1 name:  the familiar
> semi-penetrating oil in the red can and regular 20 weight machine oil in
> the blue can.   The 20 weight stuff is good general purpose oil.   The red
> can stuff is intended to be a penetrating oil for stuck parts and not a
> general purpose lubricant.   If you look up the differences between
> paraffinic and naphthenic oils you will see why.
>
> On 6/7/2015 1:24 AM, Jeffrey D Angus wrote:
>
>> On 6/7/2015 2:55 AM, drlegendre . wrote:
>>
>>> Yeah OK.. both suck a fat pipe - but I've never seen WD-40 turn into
>>> a tacky, rancid gum. ;-)
>>>
>> I use Singer sewing machine oil. That's some "mighty fine" stuff. The
>> difference between Singer and 3in1 is that Singer uses hydrotreated
>> heavy paraffinic based oil. 3in1 uses hydrotreated heavy napthenic oil.
>> The Singer oil doesn't turn to crap like the 3in1 oil does.
>>
>>> Point being, WD is pretty useless as a lubricant, but IME, it doesn't
>>> hang around forever to make a nuisance of itself.
>>>
>> Actually it does. I use WD-40 as a cheap coating for my milling machine
>> bed/work table. As it evaporates, it leaves a thin film on the metal.
>> However, when it's time to use the machine, I clean it off with a fresh
>> spray of WD-40 and wipe it clean before using.
>>
>>
>>
> --
> Richard Knoppow
> 1oldlens1 at ix.netcom.com
> WB6KBL
>
>
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