Pumping Aids: Boost the pumpability of concrete, minimizing the chance of segregation and blockages throughout placement. High-energy mixes that use fly ash or silica fume make tall buildings much more successful, because significantly less concrete is necessary for the same load-bearing capability. Retarders make it possible for consistent placement for https://www.tjcyindustrialchem.com/news/cement-additives-and-concrete-admixtures-key-differences.html