What are Concrete Retarders?

Admixtures that extend the setting of fresh concrete. By shifting the beginning of hydration of the cement, the consistence of the concrete can be extended - perfect for high temperatures, mass construction & extension of workability.

Sika Admixture Technology
Sika Admixture Technology
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concrete retarders
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Sika Concrete Retarders

SikaTard® Pak

Powdered Concrete Retarder and Truck Mixerwash Admixture
Sika® Retarder-50

Set retarding admixture for concrete
Retardan®-200 L

Sika Retardan 200 L is a liquid retarder which is suitable for all calcium sulphate binders.
SikaTard® R

Set retarding admixture
SikaTard®-930

Set retarding/stabilising admixture
Sika® ViscoCrete®-4100 (GB)

WATER REDUCING CONCRETE ADMIXTURE WITH ENHANCED WORKABILITY RETENTION
Sika® ViscoCrete®-4400

Workability retaining admixture for concrete
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