Cortec MCI-2020 Corrosion Inhibitor

SKU: C8MCI2020

MCI-2020 is a surface applied, migrating corrosion inhibitor designed to penetrate through cementitious materials including concrete, mortar, and limestone. MCI-2020 migrates in both liquid and vapor (gas) phases through the pore structure, forming a protective, molecular layer on embedded reinforcement. MCI-2020 provides corrosion protection against carbonation, chlorides, and other contaminants. MCI-2020 V/O is a high viscosity version of MCI-2020 which is specifically designed for vertical and overhead applications.


  • Protects against corrosion caused by carbonation, chlorides, and other aggressive contaminants
  • Effectively reduces corrosion rates on metals with existing corrosion
  • ANSI/NSF Standard 61 Approval for structures containing potable water
  • Water based and non-flammable
  • Does not etch, stain, discolor, or otherwise harm glass, metals, or automotive paint
  • Does not contain calcium nitrite
  • Does not contain wax
  • Does not require removal of sound concrete
  • Allows vapor diffusion (not a vapor barrier)
  • Easily applied by spray, brush, or roller
  • Minimal curing time, traffic may resume minutes after application if necessary (dry to touch)
  • Migrates independent of orientation (horizontal, vertical, overhead)
  • Migrates up to 3 inches in 30 days
  • Proven performance in both lab and field testing
  • MCI-2020 V/O available for vertical and overhead surfaces


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