Sika® ViscoFlow® 77 is a workability enhancing admixture for concrete. It is a plasticiser / water reducer based on specially developed Sika ViscoFlow® technology which gives concrete, long to extremely long workability retention.
Sika® ViscoFlow® 77 can be used alone with weakly alkaline cements or in conjunction with another Sika water reducer as a workability regulator with medium or strong alkaline cements.
- Long to extremely long workability retention (2hrs to 6hrs depending on dosage).
- Low viscosity concrete
- Constant slump flow and smoothness of the concrete over hours.