What is migrating corrosion inhibitor?
Migrating corrosion inhibitors (MCIs) are advanced chemical treatments designed to protect metals from corrosion, even in areas not directly coated or treated. These inhibitors work by moving through various media (such as concrete, coatings, or vapor spaces) to reach and protect metal surfaces. Here are the key aspects of migrating corrosion inhibitors: How Migrating Corrosion Inhibitors Work Mechanism of Action : Adsorption : MCIs adsorb onto the metal surface, forming a protective molecular layer that prevents corrosive agents like water and oxygen from reaching the metal. Diffusion : These inhibitors can migrate or diffuse through different materials, such as concrete, coatings, or even air gaps, to reach and protect metal surfaces that are not easily accessible. Passivation : MCIs can promote the formation of a passive oxide layer on the metal surface, further enhancing corrosion resistance. Types of Migrating Corrosion Inhibitors : Vapor Phase Corrosion Inhibitors (VCIs) : These