CHEMICAL ADDITIVE FOR CEMENT CONCRETES AND MORTARS

摘要

FIELD: construction engineering; manufacture of cement concretes and mortars. ^ SUBSTANCE: proposed chemical additive contains the following components, mass-%: sodium sulfate, 57-70; sodium chloride, 5-8; the remainder being commercial ligno-sulfonates. ^ EFFECT: facilitated procedure of production of chemical additive; increased storage life; reduced power requirements; retarded setting time; enhanced freeze resistance. ^ 4 ex