Good morning all,
 
As we move forward with RoHS and in an attempt to comply we are changing
the surface treatment of all our metal chassis parts.
 
Hexavalent Chrome Alodine or Iridite conversion processes are being
replaced with either a Trivalent Chrome Process (TCP) or Non Chrome
Process (NCP) for surface treatment of aluminum (aluminium for the Brits
out there).
 
What good, bad or ugly tales do you have?  I know fingerprints are an
issue with some platings.
 
Has anyone changed processes and run salt spray tests?  What were the
results?
 
I'm trying to put together some supporting (or refuting) data on
possible chemistries for conversion coatings to be able to defend our
change decisions.
 
Thanks in advance,
 
Phil Nutting

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