S&S green goop

Jon Page jpage@capecod.net
Sun, 20 Jun 1999 07:28:52 -0400


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Would whale oil in naptha have a similar effect
being an animal extract lube such as tallow?

Hope not   :-(

Jon Page


At 10:56 PM 6/19/99 -0700, you wrote:
>
>Tallow is animal fat.  Fat has a low PH.  Hence the term fatty acid.  The
>tallow doesn't turn green but rather the process of oxidizing the copper
>in the center pin liberates copper from the brass in the form of green
>colored oxides which in turn mix with the tallow making the green goo. 
>Actually, I have no proof that this is the process but it makes sense to
>me.   Sometime when you have a really bad shank,  pull out the cloth from
>the wood and look at it with a lense.  Every time I hear someone say that
>these parts can be cleaned out and repinned I just think about how badly
>eaten up the cloth is from the same process that caused the corrosion.
>
>Dale Fox
>>>>
>>
>>Ah, very interesting, now we're getting somewhere.  But it begs the 
>>question 
>>- what is it that turns the tallow green???
>>
>>Christopher
>
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Jon Page,  Harwich Port,  Cape Cod,  Mass.  mailto:jpage@capecod.net
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