FIELD: manufacture of building materials.
SUBSTANCE: complex additive is meant for use in cement binder compositions served for manufacturing quick-setting mortars and concretes. Complex additive, containing superplasticizer S-3 (14-28%) and sodium sulfate (14-28%) is further supplemented by industrial-grade lignosulfonate as unwatering agent (3-7%), aluminum sulfate as densifier (14-28%), and potassium carbonate as antifreeze admixture (30-50%).
EFFECT: reduced water demand in mortar and concrete mixes, increased curing rate and strength of concretes.
2 tbl
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| METHOD OF PRODUCTION OF BINARY PLASTICIZED PORTLAND CEMENT BINDERS | 2004 |
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