GROUTING COMPOUND AND METHOD OF PRODUCTION Russian patent published in 2008 - IPC E04B1/68 C09K3/10 C09K8/467 C04B28/00 C04B111/34 

FIELD: construction.

SUBSTANCE: grouting compound contains, wt %: mineral binding agent - expanding alumina, gypsum alumina cement, portland cement, lime, salts of silicic or phosphoric acids or their mixture - 50-95, and expanding additive, which is a product of acid and/or base interaction with cement - 5-50. To produce compound expanding additive is prepared by acid and/or base interacting with cement in water-disperse medium, suspension curing, drying, milling and mechanical mixing all compound components.

EFFECT: prevention of all leaks and reinforcement of element fixing in construction structures.

8 cl, 2 tbl, 7 ex