Fluorocarbon coating for steel
Fluorocarbon coatings were first introduced in the steel industry for use on color steel plates, commonly installed on the roofs of factories and warehouses. Their long-lasting durability, ease of installation, and vibrant colors quickly made them a global favorite. Today, major companies like Butler, a leader in construction and engineering, have fully embraced fluorocarbon coatings for both color steel and steel structure projects. For instance, the roof of Shanghai Pudong International Airport is coated with fluorocarbon paint, showcasing its high performance in real-world conditions.
In road and bridge construction, the need for corrosion protection is especially critical. According to international statistics, annual corrosion losses can account for 2% to 4% of a country’s GDP. In the U.S., steel-related corrosion costs amount to about 40% of total corrosion losses, with 20% attributed to bridges alone. As a result, over 90% of key bridges built or renovated after 2000 are now coated with fluorocarbon paint. For example, the steel beams of Chongqing Jialing River Bridge used to require annual repainting due to acid rain damage, costing hundreds of thousands each time. However, since 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 shortly after opening due to not using fluorocarbon paint. In contrast, the Chongqing Dafosi Yangtze River Bridge, coated with Hengfeng FUVIT-B fluorocarbon system, has maintained its integrity for over two years with no significant damage.
In the construction sector, particularly in high-end buildings and industrial facilities, steel structures are increasingly being used. To ensure long-term safety, visual appeal, and cost efficiency, many architects and designers choose fluorocarbon coatings for both exterior and structural 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, lasting colors, proving the effectiveness of fluorocarbon technology in architectural applications.
In the field of steel structures for overhead antennas and TV towers, fluorocarbon coatings remain essential. The annual cost of renovating steel towers in China exceeds 10 million yuan, and the maintenance cost for metal protection at central radio stations accounts for around 10% of total expenses. Using weather-resistant steel with fluorocarbon coatings can reduce annual maintenance costs by approximately 10%, with the coating itself making up 10% to 25% of the steel structure's cost. This approach not only saves money but also extends the lifespan of these critical infrastructure elements, making it a smart investment for long-term durability and performance.
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