> As you can see the case is made nwith a process called rotomoulding.
> I don't know the specifics of the process and materials used but I
> can tell
> you for sure that the cases come to the assembly area with lots of
> static
> (i.e.. Plastics "stick" to them...)

I suspect you will find that the static charge is "built in" to the plastic
by the rotomold process, which I suspect is a bit like the spun concrete
process used for large pipes and water tanks. Note that it is possible to
permanently have a static charge on plastic - this is essentially what is
done for the electret microphone diaphragm during manufacture. As such it is
difficult to get rid of it. I suspect that you will need to spray the inside
of the electronics chamber in your container with one of those spray on
coatings used to RF EMC proof items, and have the front panel suitably
shielded and grounded as well.

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