COSTARMIX – CR

Description

CostarMix CR presents an effective remedy for preserving concrete integrity against chloride-induced corrosion, thus prolonging the durability of reinforced concrete structures. Within the alkaline milieu of concrete, an intrinsic ferric oxide shield naturally forms on embedded reinforcing steel, guarding it against corrosion. By reintroducing the protective layer on the steel surface, the CostarMix CR admixture significantly retards the corrosion process in reinforcement. The incorporation of nitrite ions within CostarMix CR admixture serves a pivotal function in forestalling the creation of ferrous chloride complexes. These nitrite ions proactively interact with defective ferrous oxide ions, preempting chloride-triggered corrosion and stabilizing the passive layer, thereby curtailing the risk of corrosion.

Benefits

• Reduced permeability
• Reduced segregation and bleeding
• Improves workability and higher resistance to damage from cyclic freezing and thawing
• Contribute to Increase general compressive strength in concrete mix.
• Substantially increased durability.
• Prolonged lifespan of reinforced concrete structures
• Accelerated setting, particularly advantageous in cold weather scenarios
• Improved plasticity and Improved air-void system in hardened concrete

Uses

COSTARMIX CR is typically used to produce:

• High-quality Corrosion inhibiting concrete.
• Used in casting High flow concrete and controlled expansion.
• Can be incorporated with concrete repair.
• Used to improve concrete reinforcement resistivity.