METHOD OF PREPARING CHEMICAL ADDITIVE FOR CEMENTS USED IN CAST-IN- PLACE CONCRETES
FIELD: manufacture of building materials. ^ SUBSTANCE: invention relates to chemical additives for controlling properties of cement-sand mixes, concrete mixes, and concretes for use in producing cast-in-place concretes. Additive is based on sodium alkylarylsulfonate obtained by sulfonation of non-re...
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