Polychem 400 NC is a normal-setting, multi-component, highly concentrated, water-reducing admixture conforming to ASTM C 494, CRD C 87 and AASHTO M 194 Type A and ASTM C 494 Type D. Polychem 400 NC will reduce the quantity of water required to produce concrete of a desired consistency, while providing greater economy for a given strength. It will increase strengths and improve workability and finishing characteristics.