Polychem 850 is a normal-setting, multi-range water-reducing admixture for concrete utilizing polycarboxylate technology. Polychem 850 is designed to facilitate the placing and finishing of ready-mixed concrete that is highly flowable and workable for extended periods of time with normal-setting characteristics. Polychem 850 meets the requirements of ASTM C494 and AASHTO M194 as Type A and Type F.