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UNIT 4 METAL COATING PROCESSES Metal Coating …
www.ignou.ac.in4.2.2 Metallic Coatings Metallic coating can be applied over metallic as well as non-metallic substrates. Sometimes non-metallic like plastics are coated to give metallic appearance. Some important metallic coating methods are described below. Electroplating Electroplating is also known as electro-chemical plating, is an electrolytic process.