Interior Plastic Coating - Nobody Knows?

[Dan DiBiase]

Bob Gregory <rggpa1 at yahoo.com> wrote: Various interior plastic interior parts (black) on various members of
my current "fleet" have a black coating peeling off, revealing the
black plastic underneath.  The coating is obviously there to add a
satin, slightly soft feel to the otherwise shinier, harder plastic. 
OK, fine.  But what is it?  Urethane paint? Can it be purchased and the part refinished?  Spray bomb?
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Bob, I know exactly what you're referring to, I have had several switches on my car replaced by the dealer under warranty for this issue. However, I'd also like to know if there is something that can be put on to replace it, as my cigar lighter is peeling and Audi no longer makes the 'flip-over' hidden lighter, so I don't want to have it replaced with a fixed one.

Dan D
'04 A4 1.8Tq MT-6
Central NJ USA