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Hyperkem CY

Next-generation superplasticizer for use with contaminated aggregates.

NBR 11768/19

Next-generation superplasticizer for use with contaminated aggregates Hyperkem™ CY

Hyperkem™ CY is a polycarboxylated-based superplasticizer additive specially formulated for aggregates contaminated with clays.

Aditivo superplastificante uso com agregados contaminados

Hyperkem™ CY admixtures are SP II type water-reducing superplasticizer admixtures specially formulated with molecules that improve performance when concrete is produced with contaminated aggregates, primarily clay.

They provide a lower dosage of product for a given workability when compared to usual PCE-based superplasticizers. Furthermore, Hyperkem™ CY superplasticizer is used to optimize cement consumption in wall concrete , improving its early-age strength.

Superplasticizing additive for contaminated aggregates

Hyperkem™ CY is used as a superplasticizing additive in concrete batching plants and precast industries, when fine aggregates with contamination, mainly by clay, are available for the production of:

  • High-flow , self -compacting concrete (SCC);

  • High early and final strength concrete ;

  • High-performance concrete CAD ;

  • Concrete with a low water/cement ratio;

  • Correction of concrete slump on site;

  • Pumped concrete;

  • Shotcrete;

  • Other types of concrete with lower dosage compared to normal PCE.

What are the advantages of using the latest generation superplasticizer for use with contaminated aggregates, Hyperkem™ CY?

Hyperkem™ CY superplasticizing water-reducing additives were developed to meet a wide range of applications. The main advantages of their use are listed below:

  • Increased workability and slump of concrete , even with contaminated aggregates;

  • Recommended for use in increasing slump or reducing water content in ready-mixed concrete , precast concrete, and high-compacting concrete.

  • Water reduction of over 25% in high-consumption concrete, with gains in initial and final compressive strengths;

  • Controlled grip, allowing for quick demolding;

  • Wide dosage range allowing the production of various families of fluid and self-compacting concrete without the drawbacks of delayed setting;

  • A chloride-free water-reducing admixture, eliminating any risk of corrosion of the reinforced concrete reinforcement bars due to the admixture's influence;

  • Stability during storage without sediment formation or clogging of tank dispensers and valves.

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