Hello: I am new to this forum and I am not involved in the manufacturing process as many of you are. I am an electronics technologist involved with traffic systems and I would like to know if there is a NEMA spec out there for the thickness of conformal coatings on pc boards (sprayed). Any information will be greatly appreciated. Raphael Walrond Metro Transportation Toronto, Canada -- *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * ***************************************************************************