The application of fluorocarbon coatings in the steel field first appeared on the color steel plate, installed on the top of the factory and warehouse. Due to its durability, easy installation and colorful colors, it was quickly popular around the world. The global use of fluorocarbon coatings, Butler, the giant in the construction and product field, has almost adopted fluorocarbon coatings for the color steel business and the building bridge steel structure business. The roof of Shanghai Pudong International Airport is painted with fluorocarbon paint.
In the field of road and bridge construction, the corrosion protection requirements for all steels are very high. According to statistics from some countries in the world, the total annual corrosion loss can account for 2%-4% of the gross national product (GDP). The damage related to steel corrosion in the United States can account for 40% of the total corrosion loss. 20% of corrosion loss. Therefore, 90% of the key bridges designed or modified after 2000 are designated to be coated with fluorocarbon paint. Example 1: The steel beam of Chongqing Jialing River Bridge, due to the influence of acid rain, must be rusted and painted once a year, each time costing several hundred thousand yuan. From the use of fluorocarbon paint in 1993 to the six years in 1999, the film is intact. Only a slight loss of light; Example 2: Shanghai Lupu Bridge, beautiful in appearance and unique in design, once was the pride of the Shanghai people, but since it was not used with fluorocarbon paint, it has been officially used for less than one year, and the bridge deck has been large. Rain scale appeared, which seriously affected the overall beauty of the bridge. Example 3: Chongqing Dafosi Yangtze River Bridge with Shanghai Hengfeng FUVIT-B fluorocarbon coating system has been used for more than 2 years, and the steel beams and bridge decks are all intact.
In the construction sector, especially in high-end buildings and factory buildings, steel structures began to be used in large quantities. In order to maintain long-term safety and aesthetics, and to reduce the cost of cleaning and maintenance, most designers design fluorocarbon coatings on both the exterior and steel surfaces. Successful cases include: Shanghai Science and Technology City, Pudong International Airport, Hongkou Stadium, Shanghai Hongqiao Airport, which adopts Shanghai Hengfeng FUVIT-ST system, and still have beautiful colors and brilliant colors.
In the field of steel structures for overhead antennas and TV towers, fluorocarbon coatings are still indispensable. The direct cost of renovating steel towers in China every year is more than 10 million yuan. The annual average metal protection cost of the central direct radio station accounts for about 10% of the total maintenance cost. The individual projects use weather-resistant steel with fluorocarbon coating, and the coating cost is about It accounts for 10%-25% of the cost of steel structure, and saves about 10% of annual maintenance costs. The same high tower can be built for 10 years of savings.
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