What is mealing in conformal coating processing?

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Mealing is delamination under the conformal coating that causes a blister

Mealing is a form of delamination of the conformal coating that occurs across the circuit board.

It is a blistering (vesication) affect.

There are several causes for mealing that are similar to de-lamination.

These include:

  • Cleanliness
  • Material Compatibility
  • Permeability to moisture of the coating
  • Degree of coating cure

Click to find out more about how you can prevent the mealing defect in conformal coating.

Need help with your process?

Contact us at Nexus and we can help solve your issues.

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Author: nexus3c

A global resource for the Conformal Coating industry providing information, solutions, connections and advice on all areas of Conformal Coating including Conformal Coating Service, Equipment, Materials, Training, Documentation and Consultancy.

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