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Technical Digest - Concrete & Anti-Carbonation Protection

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Technical Digest - Concrete & Anti-Carbonation Protection

by Keim Mineral Paints Ltd

A major factor in concrete decay is carbonation, caused by Carbon Dioxide (CO2) in the atmosphere reducing the alkalinity of concrete. This in turn results in reinforcing steel becoming susceptible to attack by water and oxygen, causing corrosion of the steel and eventually spalling of the concrete. Sulphates from vehicle exhausts and chlorides from de-icing salts also contribute to concrete degradation.

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