What is concrete retarder?
Concrete retarders are a chemical solution intended to slow down the curing process in the cement. Concrete Retarders are ordinarily used to keep the substance from solidifying on the surface of the concrete, permitting the cement to be washed off the next day to expose the aggregate.
What is Sika Rugasol 90? Rugasol 90 will cause retardation to the surface of the newly laid concrete, resulting in an exposed aggregate finish. This product is a specialised liquid surface retarder used in warmer months. Where to use Rugasol 90?…PRODUCT INFORMATION