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Saturday 3 September 2016

Coating of Metals


Coating of Metals 

Q:    Why we paint grease, coat metals or why we make metal alloy?

 Ans:    We paint, grease, coat metals or we make them alloys to prevent them from corrosion. Paint, grease, being non polar have no affinity for moist air and due to this unique property prevents metal from corrosion.

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