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Galvanised Iron

Home > Scrap General > Scrap Metal Commodities Reference - G > Galvanised Iron

Galvanised Iron

Iron which has been covered with a protective layer of zinc to protect it from rusting. In the galvanising process, the sheet iron is cleaned with acid or by means of a fine sand blast and afterwards dipped in molten zinc. In another process, the zinc coating is deposited electrolytically.
In the presence of water a galvanic action is set up between the zinc and the underlying iron, whereby the zinc very slowly dissolves and no rusting of the iron occurs so long as any of the surface zinc remains.

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