Known Solution for:

Corrosion of iron and steel

Use of specialized coatings

When cleaned iron or steel is exposed to air it almost immediately becomes coated with an
invisible oxide film. Water or moisture in the atmosphere will break down this film. This allows corrosion to occur. Anti-corrosive paint coatings will inhibit this corrosion. They
act by passivating the surface by means of an inhibitor of limited solubility such as zinc phosphate.

Contributed by Ethan Lee

Resources Supporting this Solution

Coatings can protect iron and steel from corrosion

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