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Rusting is a very common phenomenon observed in steel. Rust is an oxide layer that is formed upon exposure of the surface to air and moisture, ie to oxygen and water. Rusted Layer is more permeable to oxygen and water, thereby causing the metal underneath to corrode further. The rate of degradation of metal rapidly increases with the severity of the exposure. Paint is the most common and widely used material to protect metals. Protective paint systems usually consist of primer, undercoats and finish coats.

Primers for metals are an important part of paint system. Metal primers promote adhesion of paint as well as protects underneath metal from corrosion. Inhibitive pigments are used in the formulation of primers, to prevent eating away of the metal in the process of corossion. Rust Inhibitors in the primers basically contain Zinc compounds offers sacrificial protection to the base metal. How Zinc protects the steel beneath, can be explained by our material engineers in the team.They would love to!