This part of IEC 61086 gives the methods of test for electrical insulating materials suitable for application as coatings for loaded printed wire boards (conformal coatings), both as uncured and after application to specific boards.
BS EN 61086-2:2004 history
0000 BS EN 61086-2:2004(2006)
2004BS EN 61086-2:2004 Coatings for loaded printed wire boards (conformal coatings) - Methods of test