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A Different Method of Coating

Continuous Hot-Dip Galvanizing (Pre-Galvanize)

This galvanization method is the one which is practiced before there is any fabrication done over the material. While this is also a method of hot-dip galvanizing, it differs in the thickness of coating and its order in the flowchart of the process. At the very simplest sense, after the coil of steel is flattened, it enters into an ammonium chloride (flux) mixture bath and then enters into the molten zinc bath continuously. After the zinc coating is smoothened it is then re-coiled and the manufacturing company uses this as a raw material for itself.

This homogeneous coating thickness on the surfaces has a changing value from 10pm to 20/jm (70gr/m2 140gr/m2). Cable trays manufactured from a steel with such characteristics is recommended to be used inside buildings where dry air is present and lacking harming products and their related effects which may result in corrosion. Consequently, choosing cable trays made out of pre-galvanized steel where suitable conditions are available instead of hot-dip galvanized cable trays provides an economical advantage.