We had en enclosure built and the sheet metal people powder coated every metal
to metal contact surface. 
We have had a couple of systems misbehave in the field and it is an immunity
issue. 

We have scraped all the powder coating off the metal to metal mating surfaces
but we do not like the bare metal because it will eventually start to rust.
I have looked into a couple of conductive paints that we can use but the lead
engineer has expressed a distrust and dislike of conductive paints.

I am looking for suggestions about what conductive paint you have used with
success and if there are other options for rust control this late in the game. 

Thank you for all your help and Happy Holidays to everybody,
Ernest Rayman
                                          
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