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Zinc coated iron

Apr 20, 2021

Dec 22, 2020 What is zinc-coated ductile iron pipe? It is ductile iron pipe that is sprayed with a zinc coating on the outside of the pipe and covered with an asphalt topcoat. How does zinc protect ductile iron pipe? Zinc serves as corrosion control or as a sacrificial anode. (Sacrificial anodes are highly active metals that are used to prevent a less

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