Applying aluminum boat barrier coat over aluminum boat etch wash after applying totalboat aluminum boat etch wash according to directions and drying the surface, you need to apply aluminum boat barrier coat within 1 hour of metal preparation, or aluminum oxide will form (yes, it happens that fast!), and the primer will not adhere properly.. Etching primers for aluminum fishing boat q. ron, i have removed carpeting from my aluminum bass boat and intend to replace it with some rubber granule infused pait from cabelas. preparation calls for a primer over the aluminum prior to paint application and i've been told an etching primer is best to "chemically" bond to the aluminum.. Etching the surfaces provides the tooth necessary for primers and finishes to adhere. aluminum boat etch wash cleaner and conditioner etches the surface then rinses away completely, leaving a surface that’s chemically clean and ready-to-paint, with temporary protection against corrosion and oxidation..
Marine etching primer is a phenolic modified alkyd primer coating that produces a sound base coat for marine paint and coating products. choose it for its speed, ease of application, tenacious bond or the high level of corrosion control it provides.. An etch primer is formulated to be put on bare metal such as bare aluminum. this type of primer not only provides a mechanical adhesion, but also a chemical adhesion. the chemical adhesion is achieved by an acid contained in the primer, which etches itself into the material it is applied to.. Rust-oleum
