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Comparison of zinc infiltration and hot-dip galvanizing and electro-galvanizing

Sherardizing:
Generally speaking, sherardizing can obtain a thicker sherardizing layer, with better corrosion resistance and uniform infiltrating layer, which can generally meet the matching requirements of parts, but the production efficiency is low, the appearance is dark and the decoration is poor, and it is generally suitable Small and medium-sized parts.


Hot-dip Galvanizing:
Hot-dip galvanizing has high production efficiency, large production batches, and good corrosion resistance, but the coating thickness is uneven, and the coating thickness is poorly controllable, which cannot meet the matching requirements of parts. It is generally suitable for large structural parts.


Electro-galvanized:
The electro-galvanized surface has good decorative appearance and can meet the matching requirements of the parts. However, due to the limitation of the thickness of the coating, the corrosion resistance is worse than that of hot-dip galvanizing and galvanizing. It is generally suitable for mechanical parts and structural parts used indoors.

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