Sika ViscoFlow®-2020 is a workability retaining admixture for use in concrete applications. This product meets the requirements of ASTM C494, Type A & S.
- Extended slump retention without excessive retardation.
- Reduce or eliminate the need for concrete re-tempering.
- “Flat” slump life performance.
- Better ability to optimize concrete mix designs resulting in cost savings.
- Ability to use higher content of supplementary cementitious materials due to improved production consistency.
- Ability to adjust the slump retention accordingly to transportation time.
- Easy and simple adjustment of concrete slump retention based on ambient temperatures.
- Improved concrete consistency and reduced rejection rates due to issues related to concrete re-tempering.