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Choose Hot-dip or Electro-Galvanized Metal Corrugated Culvert?-1
Overview of Hot-dip Galvanized Metal Corrugated Culvert Pipe and Electro-Calvanized Metal Corrugated Culvert Pipe
1. Hot-dip galvanizing is also called hot-dip galvanizing. It melts the zinc ingot at high temperature, puts some auxiliary materials, and then dips the metal corrugated culvert into the galvanizing tank, so that a layer of zinc is attached to the metal corrugated culvert. Floor. The advantage of hot-dip galvanizing is that the metal corrugated culvert has strong anti-corrosion ability, and the adhesion and hardness of the galvanized layer are better.
2. "Cold plating" means "electroplating", that is, the zinc salt solution is electrolyzed to coat the metal corrugated culvert. Generally speaking, it does not need to be heated, and the amount of zinc is very small, and it is easy to fall off in a humid environment. Cold galvanizing is also called electro-galvanizing. It uses electrolysis equipment to degrease and pickle the metal corrugated culvert into a solution of zinc salt, and connect it to the negative electrode of the electrolysis equipment; place a zinc plate on the opposite side of the workpiece and connect it to the electrolysis The positive pole of the device, when the power is turned on, uses the directional movement of the current from the positive pole to the negative pole, and a layer of zinc is deposited on the metal corrugated culvert.
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