In a message dated 6/13/2011 12:53:04 PM Central Daylight Time,
TR3driver at ca.rr.com writes:
> What's wrong with a coating of iron phosphate? I thought it was supposed
> to
> be a Good Thing, as it helps inhibit future rust and also helps paint
> adhere. For example, phosphoric acid is the main ingredient in DX579
> Metal
> Prep, which is used to etch the surface just before applying primer.
>
Depends on the application. No worries of you are going to paint. If you
are going to powder coat, maybe not. If you are going to zinc plate, that's
a real issue. If it is a machine part (as opposed to a fender) I don't
think you would want iron phosphate in the gearbox.
Dave
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