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MCI-2020 corrosion inhibitor extends structure life

Source:Ringier Trade Media

Date Published:3/6/2015 03:03:54 PM

Cortec’s organic corrosion inhibitor, which has applications in Metalworking, Construction,  Water Treatment, Oil & Gas and other industries, has been chosen for use in the repair of the Pentagon
CORTEC Corporation has introduced the MCI ® 2020 Organic Corrosion Inhibitor, an organic, surface-applied migrating corrosion inhibitor designed to penetrate through cementitious materials such as concrete, mortar, and limestone. 
The MCI 2020 provides strong corrosion protection against carbonation, chlorides, and other contaminants to significantly extend the service life of reinforced concrete structures.  It migrates in both liquid and vapor (gas) phases through the pore structure and forms a protective, molecular layer on embedded reinforcement to allow vapor diffusion. It will migrate independent of orientation—horizontal, vertical, or overhead up to 8 cm (3 inches) in 30 days.
Cortec MCI 2020 used in Pentagon renovation
MCI® 2020 was chosen for renovation of Pentagon and has won International Concrete Repair Institute Award for the best repair project
The water-based, nonflammable organic corrosion inhibitor can be applied to new concrete or used for rehabilitation without increasing costs or delaying construction. It does not need to come in contact with the reinforcing steel upon application unlike standard inorganic inhibitors.
The ambiodic (mixed) product can protect both anodic and cathodic areas within a corrosion cell.  It contains a synergistic blend of amino-alcohols and salts of carboxylic acids, which forms a protective layer on embedded reinforcement to delay the onset of corrosion and shorten corrosion rates.
Suitable for use by engineers, owners, contractors, DOTs, and other government agencies, the MCI 2020 is ideal for preventative maintenance of existing reinforced, precast, prestressed, post-tensioned, or marine concrete structures , bridges, highways, and industrial floors exposed to aggressive environments such as chemicals, deicing salts, carbonation, and atmospheric attack. It can also be used in parking garages, concrete piers, dams, offshore platforms, piles, pillars, pipes, utility poles, cooling towers, and concrete potable water structures. 
The MCI 2020, which is a key component of Cortec’s High Performance Repair System (HPRS®), is easily applied by spray, brush, or roller. The lab- and field-tested product does not etch, stain, discolor, or harm glass, metals, or automotive paint. It does not contain calcium nitrite or wax. It does not require removal of sound concrete.
The product complies with ASTM G 109, ASTM E 96, RoHS, and ANSI/NSF Standard 61 Approval for structures containing potable water. It has won the International Concrete Repair Institute Award for the best repair project.
The MCI 2020 was chosen for the renovation of the Pentagon, which had a spalling on its walls caused by the corrosion of the embedded reinforcing steel, which resulted from the lowering of the pH of the concrete because of carbonation on the walls. 
The renovation required a minimum 20 year design life, water absorption stoppage, corrosion reduction or stoppage, and maintenance of the appearance of the walls. The repair program involved a silicate-based coating, 18,600 square meters (200,000 square feet) of surface hand patch repair, and more than 92,903 square meters (1 million square feet) treated with MCI 2020 V/O. 
The MCI 2020 V/O was chosen for the repair program based on its warranty and fulfillment of the other specified repair design requirements to protect and repair the walls, enabling Pentagon building premium repair, rehabilitation, and protection for the next 50 years.
Cortec Corporation’s  environmentally responsible VpCI® and MCI® corrosion control technologies for Packaging, Metalworking, Construction, Electronics, Water Treatment, Oil & Gas, and other industries.  


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