FIELD: building materials.
SUBSTANCE: present invention relates to a composition regulating cementing system setting and to a building material composition containing a composition regulating setting. The composition regulating cementing system setting includes a) a product of amine-glyoxalic acid condensation, b) at least one (i) borate source and (ii) carbonate source, while the carbonate source is selected from inorganic carbonate with water solubility of 0.1 gl-1 or more and organic carbonates.
EFFECT: obtaining a composition for regulating cementing system setting.
15 cl, 9 tbl
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