In the case of construction of things that will be subjected to galvanizing, it is better to prevent the formation of small gaps between the parts, that is, overlapping connections, if possible. When space is less than 2.5 mm, the viscosity of the zinc does not allow it to move. Zinc will not enter the holes, but less viscous solutions will be able to enter. This may contribute to the release of iron oxide from the gap.
Steel during galvanizing is heated more than 400 C. correctly installed ventilation for interacting products overlap, will not provide the formation of moisture or gas in the steam at the time of heating. Moisture that is formed can cause damage to the product or the creation of uncovered areas.
Complications during galvanization of closely connected surfaces:
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