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Sonal Bisht | sonalbisht

Coil Coating Process And Its Benefits

Jun 24th 2015 at 11:42 PM

About 70% of the painted sheets in the world used in building, 10% in the auto industry and about 7% in the production of household appliances, packaging, metal furniture, etc. At present, about 15% of the world’s steel is covered by the Coil Coating, and global use of such coatings is a huge part.

Coil Coating Process

Coil coating is a nonstop and extremely mechanical process for coating metal before fabrication. A coil of metal (up to 72 inches wide) moving up to 700 feet per minute in one permanent process is unwound and the top and bottom sides are cleaned > treated chemically > oven cured > top coated > oven cured again > rewound > packaged for delivery. Coil coating gives good-looking topcoats, durable surfaces, green benefits, innovative applications and cost savings than other coating options and substrates. Steel, tin and aluminum are the metals, to which the coil coating technology applied.

Coil Coating is an advanced technique of painting works, when applying paint is in constant automated lines. In Coil Coating process, the metal sheets coils are exposed to special treatment and the following application of paints and coatings using the roller machines. Sheet metal coated by coil coating by using in all kinds of construction, right from the modest farm buildings to the construction of the impressive business center. Moreover, building this technology used in the manufacture of a variety of products ranging from auto parts to washing machines.

Coil Coating Advantages

As the process lets metals to be done in one nonstop pass, there is flexibility in how the metal is coated as well as the kind of coatings. In addition, organics and in-organics like Polyesters, Vinyls, Plastisols, Acrylics, Epoxies, Dry Lubricants, Fluorocarbons, Treatment And Primer Combinations, Water-Born Emulsions can be applied. Pre-painted coils can be printed, striped or embossed to make extraordinary visual effects as well.

Coil coating gives for controls that are almost impossible to get with other painting processes. However, dealing with a flat sheet enables for automatic cleaning as well as to the spray cleaning. In addition, this flat sheet enables outstanding control of coating weights of both the pretreatment and the paint to within a tenth (1/ 10) of a mil or less, depending upon the paint system being applied and the equipment. These benefits together with the cost-effective and environmental benefits make coil coating the right choice for manufacturers across the world

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