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Cortec Unveils MCI Concrete Sealer

Monday, July 15, 2013

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Cortec Corp. has introduced a single-component penetrating concrete sealer with the company's migrating corrosion inhibitor (MCI) technology for bridges, highways, parking decks and other structures.

Cortec MCI-2019 W is a patented, VOC-compliant, clear, penetrating sealer, composed of a stable 40 percent alkylalkoxy silane emulsion in water.

MCI-2019 W is designed to protect new and existing concrete structures against moisture intrusion, freeze/thaw scaling, and chloride-ion (salt) intrusion.

How it Works
The product penetrates dense concrete structures and provides water repellency by chemically reacting with the cementitious substrate, according to Cortec, a St. Paul, MN-based developer of corrosion protection technology.
Cortec MCI-2019

Cortec says MCI-2019 W penetrates the smallest pores of the densest structures without altering their appearance and reacts chemically with the substrate to ward off moisture and corrosion.

The product "seeks out embedded steel-reinforcing bars to form a protective, monomolecular corrosion-inhibiting coating," the company says.

Treated substrates are hydrophobic and retain their original appearance. The product is also available as MCI-2019 W FD, with a fugitive dye to aid in applications.

According to Cortec, MCI-2019 W can extend the life of all reinforced concrete structures and reduces further corrosion of rusted metals.

The product can be applied by spray, roller, squeegee or paint brush to any concrete surface and penetrates into the smallest concrete pores, Cortec says.

The company says MCI-2019 W:

  • Enhances the durability of reinforced concrete;
  • Increases surface abrasion resistance;
  • Blocks carbonation and chloride ion intrusion;
  • Allows concrete to breathe and vapor to diffuse;
  • Helps protect against acid, alkali and chemical attack; and
  • Resists blushing, peeling and yellowing.

More information:


Tagged categories: Bridge/parking deck waterproofing; Bridges; Commercial Construction; Concrete; Corrosion inhibitors; Cortec; Moisture management; Rebar; Sealers

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