The particles of powder are given an electric charge while spraying them to form the powder coating. Give scientific explanation.
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"Powder coating is a type used for coating metals like aluminium, bicycle, motor cycle, and automobile parts.
Its main use is that it will not require any solvent in order to keep binder and filler in liquid suspension form.
There is wide range in the availability in the colours and textures, in this method.
The principle used is positive (metal) and negative charge (spray) attract each other thereby forming uniform coating."
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