📌Zinc metal is more active metal in galvanic series and it’s oxides are preventing the corrosion reaction.

📌Zinc is more reactive than steel, corrosion rate of zinc is at least 10 times slower than steel.

📌Zinc corrodes first and protecting the steel substrate. Also it forms thin oxide layer to prevent further oxidation reactions.

📌Zinc is inexpensive metal comparatively any other metals in Galvanic series

📌It’s easy to passivate zinc plated parts to increase the protection.

📌Based on applications it’s used in various coating categories, details given below.

📍Sacrificial Coating

📍Decorative Coating

📍Functional Coating

📍Metal Coating

📍Alloy Coating