This high-performance three-layer coating system provides long-term protection for carbon steel in corrosive environments. It features an epoxy primer with zinc phosphate for rust inhibition, a MIO-reinforced epoxy intermediate for enhanced durability, and a polyurethane topcoat offering superior weathering resistance and color retention. Compliant with ISO 12944 C4 standards, the system ensures a service life exceeding 25 years on properly prepared steel. Ideal for structural steel, tanks, and piping, it is recommended for demanding applications such as power plants, airports, industrial buildings, refineries, and mining equipment.