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Cortec MCI-2005 NS Admixture Inhibits Corrosion and Extends Life of Reinforced Concrete Structures

MCI®-2005 NS (normal set), utilizing lab and field proven worldwide technology is a powerful liquid concrete admixture that provides protection of multi-metals embedded in concrete from corrosion induced by carbonation, chloride, atmospheric attack and other corrosive contaminants without changing the set time of concrete mixes.

MCI®-2005 NS offers engineers, owners, contractors, DOTs, and government agencies a time-proven corrosion inhibiting technology that will greatly extend the life of all reinforced concrete structures.

This long-term corrosion protection inhibitor doubles the time to initiation of corrosion and reduces the corrosion rate up to five times over the life of the structure. It also reduces the effects of shrinkage and cracking. The product maintains structural integrity and extends the service life of concrete structures

MCI®-2005 NS also reduces the effects of shrinkage and cracking. It maintains structural integrity and extends the service life of concrete structures. The product is concentrated for cost effectiveness on all projects.

Corroding rebar in deteriorating concrete is the cause of financial losses, costly repairs, and injuries. MCI®-2005 provides NS protection against the harmful effects of corrosion in different types of concrete. This organic admixture will migrate a considerable distance through concrete and protect metals such as carbon, galvanized steel, and other metals.

MCI®-2005 NS protects by a time-proven migratory corrosion inhibitor function. In addition, it contains a proven contact inhibitor. When incorporated into the concrete mix, Migrating Corrosion Inhibitors (MCI®) seek out and form a corrosion inhibiting protective layer on metals. When used with repair mortars and grouts, MCI®-2005 NS will migrate considerable distance to undisturbed concrete providing effective corrosion protection to rebar already in place.

MCI®-2005 NS protects both anodic and cathodic areas, is safe, non–hazardous, and an environmentally friendly product that does not contain calcium nitrite or similar toxic substances. Required dosage of this product is not affected by the chloride concentration. The product can be added either to the water or powder on-site for shotcreting applications.

The product conforms to NSF Standard 61 approved for potable water applications (certified by Underwriters Laboratories).

MCI 2005 NS is recommended for:

  • All reinforced, precast, prestressed, post-tensioned, or marine concrete structures
  • Steel-reinforced concrete bridges, highways, and streets exposed to corrosive environments
  • Parking decks, ramps, and garages
  • Concrete piers, piles, pillars, pipes, and utility poles
  • Restoration and repair of all commercial and civil engineered structures
  • Can be added into a manufacturer’s repair mortar formulation to enhance its corrosion protection ability


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