You might find a discussion on the chemical makeup of aircraft paint pretreatment coatings about as interesting as—watching it dry. But the protective properties of a high-tech precoating can save millions, industrywide, in preventing corrosion and a host of other destructive threats to airframes. Just ask anyone who’s ever owned a bare-metal antique.
This is a companion discussion topic for the original entry at https://www.avweb.com/aviation-news/new-sherwin-williams-pretreatment-aids-corrosion-protection