For secondary anti-corrosion coating of large steel structures and similar items, metal-based low-surface-treatment coatings are one of the main options
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Due to environmental protection regulations in our country, open-air dry sandblasting operations have been explicitly prohibited in some areas; wet sandblasting and high-pressure water jetting have taken their place. As a result, low-surface-treatment coatings that require less refinement of the metal surface have also become more widely used. In addition, every year, some large-scale existing steel structures and other infrastructure facilities enter their secondary coating maintenance period. Taking into account factors such as the site conditions, construction difficulties, costs, and environmental considerations, low-surface-treatment coatings are one of the main options.
In the secondary anti-corrosion coating of large steel structures, metal low-surface-treatment coatings are widely used due to their compliance with environmental requirements and ease of application. With the ban on open-air dry sandblasting, wet sandblasting and high-pressure water jetting have become new treatment methods, contributing to the adoption of low-surface-treatment coatings. Furthermore, when many existing steel structures reach the maintenance phase, low-surface-treatment coatings become the preferred choice, taking into account factors such as the environment, construction difficulty, and cost. .