Cold galvanizing (electrogalvanizing):
- Method: The zinc protective layer is created through the process of electrolysis (plating) on the surface of the black wire. In this process, an electrolyte bath containing zinc salts is used.
- Features: The thickness of the zinc layer is thinner (typically 5 to 15 µm). The final surface is very smooth and shiny. Application: This method is mostly used for light applications, internal use, temporary packaging and decorative products that do not require very high resistance to moisture. Galvanizing):
  - Method: After complete degreasing and acid washing (to remove any surface oxide), the wire is immersed in a molten zinc bath with a temperature of about (450^\circ \text{C}). In this case, a metallurgical bond is formed between zinc and iron.
  - Features: The protective layer is thicker and rougher (typically 50 to 100 µm). It has a very high resistance to corrosion and harsh environmental conditions.
  - Application: Ideal for landscaping, fence construction, outdoor civil applications, structures exposed to moisture or rain, as well as in the agricultural and telecommunication industries.

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