Zinc plating thickness for fireproof cable trays
Tray Sheet Metal Thickness: Typically, the side plates and base plates of cable trays range from 1. The most deployed type of Sendzimir steel is Z 275 = 275g/m2 (weighed o both sides), this corresponds to 18-20 μm (micron). Sendzimir galvanized steel sourced from modern galvanizi g lines has, in general, a uniform, shiny appearance. The cable tray has continuous side perforations of 7 x 20 mm for the installation of additional connection and mounting components.
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