Re: Cleaners & Lubricants

 

If these are truly zinc wheels then the gunk is zinc oxide.  The rails
are nickel silver.  The combination of the two will cause oxidation.  I
is possible that No-Ox-Id will prevent this, but any exposed surfaces
will still oxidize.  Dissimilar metals oxidize when coming into contact
with each other.  Even alloys that are different in their percentage
will oxidize but much less so then the above.  Zinc is not as bad as
Aluminum or copper would be in this case but it still has a pretty high
potential to oxidize.   Brass wheels would be a significant improvement
over zinc.

Best Regards,

Ken Harstine

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