Quote:
Originally Posted by cczarnik
IIRC Prekote is a bonding agent and has no inherent corrosion protection. The anti-corrosion performance is enhanced by the bond improvement of the subsequent coating. For a wrap I don’t know how that would work.
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However, if you are spraying on an epoxy primer, that is acting as the corrossion protection and the alodine treatment is really unnecessary. With an epoxy primer coating, the only real benefit the alodine is providing is improved adhesion. Alodine was far more important before urethane paints were introduced, with their impervious sealing nature. Acrylic and laquer paints didn't not seal out moisture near as well.
Most quality epoxy primers are desigend for DTM (direct to metal) application and have proven themselves highly effective in this application.
EDIT: sorry, just realized the OP was looking to vinyl wrap not paint. Another option to avoid the alodine hassles is to shoot the plane with epoxy primer after completion. You could do it in the garage, as you'll be able to easily wet sand the primer to get rid if dust nibs.
Larry
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