The difference between galvanized sheet and galvanized sheet:
The difference between galvanized sheets and galvanized sheets mainly lies in the difference in coating. A layer of zinc material is evenly distributed on the surface of the galvanized sheet, which plays an anode protection role for the base metal, that is to say, the zinc material provides alternative corrosion protection. Without the use of the base material, only when all the zinc has corroded can the base material inside be harmed.
The surface coating of galvalume plate is composed of 55% aluminum, 43.5% zinc and a small amount of other elements. Microscopically, the surface of galvalume coating has a honeycomb structure, and the "honeycomb" composed of aluminum contains zinc. In this case, although the galvanized coating also plays the role of anode protection, on the one hand due to the reduction in zinc content and on the other hand because the zinc material is wrapped in aluminum and is not easily electrolyzed, the role of anode protection is greatly reduced. Therefore, once aluminized When a zinc plate is cut, it will rust quickly when the cut edge is basically unprotected. Therefore, the galvanized plate should be cut as little as possible. Once cut, anti-rust paint or zinc-rich paint should be used to protect the edge before it can be used. The service life of the panels is extended.
The surface of galvanized sheets is more beautiful than that of galvanized sheets. At the same time, the price of galvanized sheets is more expensive than that of galvanized sheets, and the price of small zinc flowers is more expensive than that of large zinc flowers.
In cities with humid air and lots of rain, once a certain point of a galvanized plate is corroded, if no timely measures are taken, the rusted area will gradually become larger and larger and eventually even the entire plate; while if a galvanized plate is corroded at a certain point, it will Will not spread.
