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CSA cement

Description

Sulfoaluminate cement (CSA) differs from general construction cements in its chemical and mineralogical composition and possesses unique construction and technical properties. The main features of the product are ultra-rapid early strength gain and short setting times.

The cement is used in combination with ordinary Portland cement, forming quick-setting industrial concretes and mortars. The material demonstrates high expansion, tensile strength, water impermeability, frost resistance, and corrosion resistance.

Advantages

  • Ultra-rapid early strength gain – the material achieves demolding and design strength within just a few hours (2 to 6 hours), allowing structures to be put into service on the day of placement.
  • Exceptional frost resistance – strength loss is negligible after 300 freeze-thaw cycles, making it indispensable for outdoor structures in harsh climates.
  • High density and water impermeability – concrete impermeability is 2–3 times higher than that of Portland cement of the same class due to the dense structure of the cement stone.
  • Carbonation resistance and low dry shrinkage – the cement has good carbonation resistance and minimal drying shrinkage, preventing crack formation.
  • High corrosion resistance, especially in sea water – significantly outperforms sulfate-resistant Portland cement in durability under aggressive environments.

Applications

  • Winter construction and works at sub-zero temperatures without additional heating.
  • Urgent repairs, emergency restoration works, and shotcrete.
  • Construction of hydrotechnical and offshore structures.
  • Road and bridge construction, installation of floorings and pavements.
  • Production of precast concrete structures and cement products.

Packaging

CSA sulfoaluminate cement is supplied in 25 kg bags.

FAQ

CSA cement has a fundamentally different chemical and mineralogical composition, enabling it to set many times faster, achieve design strength in hours rather than days, and exhibit significantly less shrinkage. It also outperforms Portland cement in resistance to sea water and freeze-thaw cycling.

Yes, but it is most often used in combination with ordinary Portland cement to produce quick-setting industrial concretes and mortars with specified expansion and strength characteristics.

Extremely: after 300 freeze-thaw cycles, the loss of strength is negligible. This makes it an ideal choice for outdoor structures in harsh climates and for winter concreting.

Yes, its water impermeability is 2–3 times higher than that of Portland cement of the same class, and its corrosion resistance in sea water is significantly better than that of sulfate-resistant Portland cement.