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What is Duplex Coating for Galvanized Steel about?

This document discusses duplex systems, which involve painting over hot-dip galvanized steel to provide corrosion protection. A duplex system utilizes both a galvanized coating and a paint coating. The galvanized coating provides cathodic protection and acts as a sacrificial anode to the steel. Adding a paint coating provides an additional barrier against moisture and electrolytes. Together, the galvanized coating and paint coating provide synergistic corrosion protection that is greater than either method

Author

cpjones

Language

EN