Fluorocarbon coating for steel
Fluorocarbon coatings first gained popularity in the steel industry through their use on color steel plates, which were commonly installed on the roofs of factories and warehouses. Their long-lasting durability, ease of installation, and vibrant color options quickly made them a global favorite. Today, major companies like Butler, a leading name in construction and manufacturing, have fully integrated fluorocarbon coatings into their color steel and structural steel projects. For example, the roof of Shanghai Pudong International Airport was coated with fluorocarbon paint, demonstrating its effectiveness in large-scale infrastructure.
In road and bridge construction, the need for effective corrosion protection is crucial. According to global statistics, annual corrosion losses can reach up to 2-4% of a country’s GDP. In the U.S., steel-related corrosion accounts for about 40% of total corrosion costs. As a result, 90% of key bridges built or renovated after 2000 now use fluorocarbon coatings. One example is the Chongqing Jialing River Bridge, where acid rain caused frequent rusting and repainting, costing hundreds of thousands of yuan annually. However, after applying fluorocarbon paint in 1993, the coating remained intact for six years, showing only minor fading. Another case is the Shanghai Lupu Bridge, which suffered from unsightly rust within a year due to lack of proper coating. Meanwhile, the Chongqing Dafosi Yangtze River Bridge, using the Hengfeng FUVIT-B fluorocarbon system, has maintained its integrity for over two years with no significant damage.
In the construction sector, especially in high-end buildings and industrial structures, steel is increasingly used. To ensure long-term safety, aesthetics, and cost-effectiveness, many architects now apply fluorocarbon coatings on both the exterior and steel surfaces. Notable examples include the Shanghai Science and Technology City, Pudong International Airport, Hongkou Stadium, and Shanghai Hongqiao Airport, all of which use the Hengfeng FUVIT-ST system. These structures continue to display vibrant colors and maintain their visual appeal over time.
Fluorocarbon coatings are also essential in the maintenance of steel structures used for overhead antennas and TV towers. In China, the annual cost of renovating steel towers exceeds 10 million yuan. For central radio stations, metal protection costs make up around 10% of total maintenance expenses. When weather-resistant steel with fluorocarbon coatings is used, the coating cost represents 10-25% of the steel structure cost but reduces annual maintenance by approximately 10%. This means that over 10 years, significant savings can be achieved without compromising quality or appearance.
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