Galvanized bridge is the power cables and control cables, lighting, wiring, etc., for indoor, outdoor, aerial, cable trenches, laying the tunnel. Galvanized tray with a quality full ,, reasonable structure, low cost, convenient construction, beautiful appearance.
Galvanized and galvanized bridge bridge differences mainly in the cable bridge the production process, there are specific differences in several aspects:
1, the main production processes are different, hot dip galvanized zinc pot through the solution, electro-galvanized was supported by the electrode reaction.
2, used in electro-galvanized steel are generally not very good anti-corrosion effect, amounted to less than mainly galvanized and galvanized uneven, generally 2023 appeared rusting, poor quality exposure to moist environment ten days rusted.
3, the cold galvanizing process: the steel surfaces after cleaning treatment chemical into the plating solution, plating bath containing zinc oxide. Steel poles connected to a direct current, a pole connected to the plating solution on the zinc plate. Zinc molecular state after power to the replacement of the steel surface. If you add brightener passivation, the clouds reflect light like coating.
4, hot-dip galvanizing process: - iron alloy or zinc and zinc - iron alloy coating layer processes and methods immersed in the molten steel or cast zinc liquid zinc is formed on the surface.
Hot dip galvanized coating is thick, strong corrosion resistance. Cold galvanized hot dip galvanized layer relatively bright, but thinner, rust capability is weak.