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Cable Tray surface coating category selection
- Apr 05, 2017 -

The third issue is common in engineering Cable Tray type marked on the coating category, there is no unified text. This lesson in reality, such as our Indonesian engineering General Contracting, antiseptic treatment of steel cable tray without salt spray test, corrosion of the completed bridge was quite serious, and had to be replaced. 

Cable Bridge frame of surface anti-corrosion layer category main has hot dip zinc, and plating zinc nickel, and cold plating zinc, and powder electrostatic spray, way, production manufacturers information displayed: hot dip zinc process life not is less than 40, applies Yu outdoor heavy corrosion environment, cost high; plating zinc nickel process life not is less than 30, also applies Yu outdoor heavy corrosion environment, cost high; cold plating zinc process life not is less than 12, applies Yu outdoor light corrosion environment, cost General; powder electrostatic spray process life not is less than 12, applies Yu indoor at room temperature dry environment, Prices in General. Designers should be based on reasonable selection of cable tray engineering environmental conditions of surface coating category, and clearly in the design documents.