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In the steel structure industry, coating before surface treatment is a key step to ensure that the coating adheres perfectly and provides long-term corrosion protection. Proper surface pretreatment can not only significantly improve the durability of the coating, but also enhance its resistance to corrosive media. According to the "painting common sense", more than 70% of the early failure of many protection systems is caused by improper pretreatment. Therefore, the thorough removal of rust, oil and impurities by sandblasting, grinding and other methods, as well as ensuring the smooth surface, is the cornerstone of the realization of long-term corrosion prevention of steel structure. In addition, the "Anti-corrosion coating Technical Regulations for Steel structures" also emphasizes the importance of environmental conditions on the classification of corrosion of steel structures, anti-corrosion coating engineering design, material selection, construction, acceptance and maintenance management. Through these detailed procedures, the anticorrosive coating project of steel structure is standardized, which ensures the quality of the project and improves the durability of the steel structure.
