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ITS Water Group - Air-Entraining Admixtures for Concrete

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Air-entraining admixtures are specialized chemical compounds introduced in concrete mixtures to regulate air content, critical for enhancing frost resistance and durability under diverse environmental conditions. These admixtures, typically available in liquid or powder form, work by forming tiny air bubbles within the concrete, leading to a finely porous structure. Their application is crucial in construction projects, notably for infrastructure exposed to cyclic freezing and thawing such as bridges, roads, buildings, and aerodromes. The admixtures enhance the physical and chemical resilience of concrete, ensuring a prolonged lifespan by mitigating damage from severe temperature fluctuations. Moreover, their adaptability to various climatic environments makes them invaluable in both cold and temperate regions. With various packaging options, they are convenient to store and transport, thus optimizing industrial construction processes and quality.
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Air-entraining admixtures are special chemical components used in concrete to control air entrainment in concrete mixtures. This improves the frost resistance and durability of concrete structures.

 

Air-entraining admixtures play an important role in construction and provide concrete with the necessary characteristics to perform under a variety of conditions.

Where air-entraining additives are used

Bridges and roads

Provide frost resistance and durability in variable temperatures.

Buildings and structures

Increase frost resistance, extending the service life of concrete elements.

Aerodromes

Contribute to the preservation of concrete pavements under severe temperature fluctuations.

Chemical properties: air-entraining admixtures contribute to the formation of a finely porous structure of the concrete due to the formation of tiny air bubbles.

Physical properties: are usually liquids or powders that are easily added to concrete mixtures.

  • Frost resistance. Significantly increases the resistance of concrete to freeze-thaw cycles.
  • Durability. Extends the service life of concrete structures.
  • Adaptation to climatic conditions. Allows concrete to be used in a variety of climatic zones.