Nexus, the Conformal Coating Resource, have a section which has videos showing processes for conformal coating and also company video’s of which Nexus feels offer technical information to users of conformal coating.
This video shows an operator masking a printed circuit board by adding a masking boot to the header connector component before the Conformal Coating application process
Click through to see the full range of Conformal Coating Videos at the Nexus Website.
"Expertise, Right Across the Board" 