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Continuous Galvanizing Line(CGL)

Continuous galvanizing line is also called hot dip galvanizing production line, hot dip galvanized zinc ingot with the high temperature of melt really, add a few auxiliary material, and then immerse metal structure in the zinc bath, attached a layer of zinc layer to make metal parts.

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Continuous galvanizing line(CGL)




Continuous galvanizing line is also called hot dip galvanizing production line, hot dip galvanized zinc ingot with the high temperature of melt really, add a few auxiliary material, and then immerse metal structure in the zinc bath, attached a layer of zinc layer to make metal parts.



Process:

Degreasing: can use chemical degreasing or water base metal degreasing cleaner to oil, reach the workpiece completely by water infiltration.


Pickling: using H2SO4 15%, thiourea 0.1%, or HC120%, 6 methylamine 1.3g/L for pickling,

Defatting and pickling treatment will result in poor adhesion, zinc or zinc coating.

The immersion plating agent is also known as the binder, which can be maintained in the pre-dip pre-plating workpiece with a certain activity to enhance the bonding of the coating with the matrix.


Passivation: it is to improve the surface of the workpiece against atmospheric corrosion, reduce or prolong the time of white rust, and keep the coating with a good appearance.


Cooling: generally used for air cooling.















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