As a result of Sika's array of h2o-reducers for concrete, practically two Billion gallons of drinking water are saved on a yearly basis in concrete manufacturing. Superplasticizer effect lasts only thirty Dao 60 minutes, and it depends on the model and dose amount, followed by a rapid loss of efficiency. https://www.tjcyindustrialchem.com/news/cement-additives-and-concrete-admixtures-key-differences.html