We have a customer whose PCBAs are subjected to flower of sulfur rich
environments. The sulfur quickly corrodes any area not covered in
soldermask. They would like to use a conformal coating but their
research to-date has only come up with one solution which has published
data specifically concerning sulfur and the coating is too viscous for
their application.
Does anyone have experience with a conformal coating which is proven to
survive in an environment with sulfur?
Any help would be greatly appreciated.
Thanks,
Paul
Omni Circuit Boards
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