Chemical admixtures are the ingredients in concrete othe than portland cement, water, and aggregate that are added to the mix immediately before or during mixing. Producers use admixtures primarily to reduce the cost of concrete consttuction to modify the properties of hardened conceret to ensure the quality of concret during mixing,transporting,placing,and curing and to overcome certain emergencies during concrete operation. SUNKOLL concrete mixture play a vital role in production of quality concrete and mortar.