The hardening retarder for cement preparations, process for the manufacture of the hardening retarder, the use of the retarder of hardening and method for preparing cement preparations

摘要

Summary of the hardening retarder for cement preparations, process for the manufacture of the hardening retarder, the use of the retarder of hardening and method for preparing cement preparations, the present invention relates, in general,An additive concentrate which comprises (a) a sugar derivative rafinato industry recovery of citric acid and (b) a solution containing sugar useful as the hardening retarder for cement preparations, such as concrete, mortar or cement paste. 1 / 1