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RE: Corrosion resistance


I don't expect the soy oil to be any better than the animal grease.  Unless
the oil can be incorporated into the corrosion protective coating it will
interfer with adhesion.  Linseed oil might work but only if you were going
to coat the wheels with linseed-based varnish.  This coating might last as
long as the car stays on the showroom floor !

A common protective coating is polyurethane clear-coat.  To achieve
adhesion, the wheels need to be really really clean.  A hot aqueous cleaner
with DI rinse and flash dry should do it.  Animal fats will saponify
readily.  Just be careful that they do not overbuff the wheels and burn the
polish.  Then you have a very difficult cleaning job.



> ----------
> From: 	Jan Hygnstrom[SMTP:bsen107@unlvm.unl.edu]
> Sent: 	Thursday, March 12, 1998 8:54PM
> To: 	p2tech@great-lakes.net
> Subject: 	Corrosion resistance
> I was just e-mailed this question about metal polishing and thought
> someone
> might have some answers:
> The base polishing product used by metal polishers (for aluminum mag
> wheels)
> is made up of animal fat and other grease related material. This makes for
> a
> great surface but there is not a corrosion resistant coating that will
> stick
> to the polished surface. (The grease is embedded in pores).
> The polish is necessary (consumer demand) for looks. The corrosion
> resistance is needed because of the new road de-icing materials. Any ideas
> or experience with a substitute for grease-based polishes? Does anyone
> have
> experience with soy oil?
> The companies have tried ENVIROCOAT. It will stick to unpolished or bare
> metal and make for a great corrosion resistance surface, but will not work
> on the polished aluminum.
> Can anyone offer direction? Thanks