Sika® CNI

Corrosion Inhibiting Admixture

Sika® CNI is a calcium nitrite-based admixture designed to inhibit the corrosion of steel in reinforced concrete. Sika® CNI contains a minimum of 30 % calcium nitrite by mass and meets the requirements of ASTM C 1582, Corrosion Inhibiting Admixture and ASTM C494, Type C, Accelerating Admixture.

  • Extends the service life of reinforced concrete structures
  • Suitable for all types of reinforced concrete, precast and/or prestressed concrete as well as ready mix applications