What is galvanization technology

Galvanizing refers to a surface treatment technique that involves coating a layer of zinc on the surface of a metal, alloy, or other material for aesthetic and rust prevention purposes. The main method used is hot-dip galvanizing.
Zinc is easily soluble in acids and can also dissolve in bases, hence it is called a zwitterionic metal. Zinc hardly changes in dry air. In humid air, a dense alkaline zinc carbonate film is formed on the surface of zinc. In environments containing sulfur dioxide, hydrogen sulfide, and marine environments, zinc has poor corrosion resistance, especially in high temperature and humidity environments containing organic acids, where zinc coatings are highly susceptible to corrosion. For steel substrates, zinc coating is an anodic coating mainly used to prevent corrosion of steel, and its protective performance is closely related to the thickness of the coating. After passivation treatment, dyeing, or coating with protective agents, the protective and decorative properties of zinc coatings can be significantly improved.