Jeffrey,

I don't believe this is the material they tested. I will pass it along.

thanks,
Paul_<http://www.omnicircuitboards.com/>_

On 7/30/14 12:03 PM, McGlaughlin, Jeffrey A wrote:
> Have they looked into Parylene (poly-paraxylylene) coating. The coating is thin mechanic lay and thermally stable and will withstand  exposure to most chemicals including Hydrofluoric Acid.
>
>
> Jeffrey McGlaughlin, C.I.D.
> Engineering Designer
>
> Battelle
> 505 King Avenue
> Columbus Ohio 43201-2693
> [log in to unmask]
>
> This message is intended only for the use of the individual or entity to which it is addressed, and may contain information that is privileged, confidential and/or otherwise exempt from disclosure under applicable law. If the reader of this message is not the intended recipient or the employee or agent responsible for delivering the message to the intended recipient, any disclosure, dissemination, distribution, copying or other use of this communication or its substance is prohibited. If you have received this communication in error, please return to the sender and delete from your computer system.
>
>
>
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Paul Jackson
> Sent: Wednesday, July 30, 2014 12:48 PM
> To: [log in to unmask]
> Subject: [TN] Conformal coating for Sulfur environments
>
> 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
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud service.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>
> ______________________________________________________________________
> This email has been scanned by the Symantec Email Security.cloud service.
> For more information please contact helpdesk at x2960 or [log in to unmask]
> ______________________________________________________________________
>



______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please contact helpdesk at x2960 or [log in to unmask] 
______________________________________________________________________