Hot-dip galvanizing is a process of coating iron or steel with a thin layer of zinc by passing it through a molten zinc bath at a temperature of around 4500°C. When exposed to the atmosphere, pure zinc reacts with oxygen to form zinc oxide, which further reacts with carbon dioxide to form zinc carbonate. Zinc carbonate is a dull grey, fairly strong compound that stops further corrosion in many circumstances, protecting the steel from the elements. Galvanized steel is widely applied in situations that require rust-resistance and can be identified by a crystallized pattern on the surface (spangle). Hot Dip Galvanizing is done in our In-house galvanizing plant having a 7m long x 1.2m wide x 1.2m deep bath. We have two Hot Dip Galvanizing baths.
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