Methods for testing the galvanized coating of cable trays

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Acceptance tests include visual examination, dimensional verification, and galvanizing tests. Standards are provided for the amount of zinc coating, specifying an average of 610 gm of zinc per square meter with a thickness of 80 microns. The galvanization process is the primary anti-corrosion treatment for cable trays. ng standards, performance standards, test standards and application in this document have been tested extens ompetent professional en completely installed, without damage either to conductors orstructural system use maintain spacing or to keep cables in place when the tray is ect the minimum. Consequently, inspection of zinc coating thickness is the single most important step in determining the quality of a galvanized coating.

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