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Sika® ViscoCrete® 2100 Superplasticizer

High Range Water Reducing Admixture

Sika ViscoCrete 2100 is a high range water reducing and superplasticizing admixture utilizing Sika’s ‘ViscoCrete’ polycarboxylate polymer technology.


Sika ViscoCrete 2100 may be used in both ready mix and precast applications, as a plant added high range water reducer to provide excellent plasticity while maintaining slump for up to 90 minutes. Controlled set times make Sika ViscoCrete 2100 ideal for horizontal and vertical applications.

Sika ViscoCrete 2100 is ideal for production of Self Consolidating Concrete (SCC).


Water Reduction: Sika ViscoCrete 2100 can be dosed in small amounts to obtain water reduction from 10-15%, and will achieve water reduction up to 45% at high dosage rates. Sika ViscoCrete 2100 is suitable for all levels of water reduction.

High Plasticity: The superplasticizing action of Sika ViscoCrete 2100 provides highslump, flowing concrete that maintains excellent workability and may be placed with minimal vibration even at very low water cement ratio’s as low as 0.25.

Sika ViscoCrete 2100 plasticized concrete is highly fluid while maintaining complete cohesion within the concrete matrix to eliminate excessive bleeding or segregation. Extended Slump Life and Set Control: Sika ViscoCrete 2100 has been formulated to provide controlled and predictable extended slump life for periods of 60 to 90 minutes with normal set times.

The combined high range water reduction and superplasticizing action of Sika ViscoCrete 2100 provide the following benefits in hardened concrete:

  • Higher ultimate strengths allow for greater engineering design flexibility and structural economies.
  • Reduced water cement ratios produce more durable, dense concrete with reduced permeability.
  • Highly effective plasticizer reduces surface defects in concrete elements and improves aesthetic appearance.

It has been formulated to provide maximum water reduction and extended slump retention at low dosages.


Sika ViscoCrete 2100 is available in 55 gallon drum (208 liter), 275 gallon totes (1040 liters) drums and bulk delivery.

For more information, consult Sika TDS and MSDS. 

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