MasterSeal MCI 2020 is a surface applied corrosion inhibitor designed to migrate through even the densest concrete structures and seek out the steel reinforcing bars. MasterSeal MCI 2020 also protects a multitude of other metals including carbon steel, galvanised steel and aluminium. The unique feature of Migrating Corrosion Inhibitors (MCI) is that if not in direct contact with metals, the inhibitor will migrate for a considerable distance through concrete to provide protection. MasterSeal MCI 2020 will stop the further corrosion of reinforcing metals and extend the service life of the structure.