process of powder coating
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thwe coating is typically applied electrostatically and is then cured under heat to allow it to flow and form a skin
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Explanation:
powder coating is a method of applying a layer harder than paint on the surface of an iron object to prevent rusting.
in this method , a polymer resin , a pint and some other ingredients are melt mixed , cooled and ground into a uniform powder.
this powder is sprayed on the polished metal surface by electrostatic spray deposition .
in this method , the particles of the powder are given an electrostatic charge due to which a uniform layer of the powder sticks to the metal surface.
then the object is heated in the oven along with the coating.
a chemical reaction occurs in the layer resulting in the formation of long cross - linked polymeric chairs
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