Autogenous shrinkage can take place since the portland cement hydrates and without the need of loss of drinking water within the combine in contrast to the drying shrinkage system. Admixtures could lower such a shrinkage but usually are not specially designed to achieve this. Concrete admixtures are all-natural or made https://www.tjcyindustrialchem.com/news/cement-additives-and-concrete-admixtures-key-differences.html