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Nano coatings are materials that are produced by shrinking the material at the molecular level to form a denser product. Nano coatings have several advantages such as better surface appearance, good chemical resistance, better thermal and electrical conductivity and better corrosion resistance. Incorporation of nanoparticles enhance the corrosion resistance of zeolite coatings, epoxy coatings and antimicrobial coatings. The nanopaint technology improves the system‘s entire ecobalance. The difference between nano paint and conventional paints lies in its structure. As with conventional paints, its basic components are binding agents, solvents and additives. But the nano paint binding agent is not an organic but an inorganic-organic hybrid polymer, in which the positive characteristics of organic and inorganic binding agents are combined. There are water and oil based paints, which can have additional functionalities depending on the necessities of the consumer. Nanomaterials are thought to improve these functionalities, i.e. water/dirt repellent "easy to clean". With reference to the improvement of erosion and corrosion resistance, weathering and ultraviolet (UV-rays) resistance, water repellence and chemical resistance, dispersion stabilityand aging resistance, surface covering and adhesion property,film smoothness and gloss retention alongwith other mechanicalproperties; nano materials adapted paints have shown greatpotential in several industrial applications.