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Corrosion of reinforcing steel and other embedded metals is the leading cause of deterioration in any concrete. When steel corrodes, the resulting rust occupies a greater volume than the steel did. Chemical admixtures manufacturers UAE say that this expansion creates tensile stresses in the concrete, which can eventually cause cracking, delimitation and spalling.
Corrosion occurring in reinforced concrete structures
Chlorides that are dissolved in the water slowly go through sound concrete, but very quickly through its cracks. These chlorides can rapidly degrade reinforced concrete by accelerating corrosion of the steel embedded in it. Moreover, rust occupies a volume several times bigger than the original steel, and since there is no room for volume change within the concrete substrate, the resulting stress will eventually create cracking. These cracks will then allow the chloride-laden-water to reach the steel even faster, accelerating the corrosion cycle and eventually resulting in the need for costly repairs.
Concrete Admixtures: Corrosion-Inhibiting
Corrosion-inhibiting admixtures like the Corromix Admixtures fall into the specialty admixture category and are often used to slow the development of corrosion in any concrete construction. Corrosion inhibitors can extensively lessen maintenance costs of reinforced concrete structures throughout a usual service life of 30 to 40 years.
According to chemical manufacturers in UAE, corrosion inhibiting concrete admixtures has little effect on strength at later ages but may accelerate the early state development of concrete. Furthermore, calcium nitrate- based corrosion inhibitors helps in speeding up the setting times of concrete over a range of curing temperatures unless they are put together with a set retarder to offset the accelerating effect.
Corromix Admixture by Corrotech Construction Chemicals
Corromix concrete admixtures are recognized as reliable treatments for the corrosion protection. Thus, the ability of Corromix admixtures technology to improve reinforced concrete’s resistance to the damaging and very costly effects of various chemicals is well known.
Corrotech Construction Chemicals, based in the UAE offers a complete range of admixtures, including corrosion protection admixtures; but also water repellants, waterproofing and chemical resistant coatings that form a defense barrier against the ingress of any contaminant that may result to corrosion. You can connect with one of their experts to identify the most effective protective corrosion control system for your problem. You may also visit their website at http://www.mctuae.com/ to learn more about their range of products.
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