FIELD: chemistry.
SUBSTANCE: invention relates to composition of a chemical additive for cement concrete and mortar and can be used in production of concrete and mortar. The chemical additive - cement and mortar setting accelerator - contains aqueous hydrofluoric acid solution as a cement sealer, with the following ratio of components in wt %: acid - 0.25-1.5, water - 98.5-99.75.
EFFECT: high strength of concrete articles at early stages.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| CHEMICAL ADDITIVE FOR CEMENT PRODUCTS | 2016 |
|
RU2622943C1 |
| CHEMICAL ADDITIVE FOR CEMENT ARTICLES | 2015 |
|
RU2612185C1 |
| METHOD OF PRODUCING COMPLEX NANO-DISPERSIVE ADDITIVE FOR CONCRETE MIXTURE | 2012 |
|
RU2500634C1 |
| FOAMED CONCRETE | 2008 |
|
RU2406710C2 |
| ORGANIC MINERAL MODIFIER FOR CONCRETE MIXTURES AND CONSTRUCTION MORTARS AND METHOD OF ITS PRODUCTION | 2008 |
|
RU2382004C2 |
| COMPLEX ADDITIVE FOR CONCRETE, MORTAR AND CEMENT COMPOSITES (VERSIONS) AND METHOD OF PRODUCING SAID ADDITIVE | 2011 |
|
RU2467968C1 |
| METHOD OF PRODUCTION OF CEMENT-WATER SUSPENSION AND DEVICE FOR REALIZATION OF THIS METHOD | 2003 |
|
RU2257294C1 |
| METHOD OF MANUFACTURE OF FOAM CONCRETE AND INSTALLATION FOR ITS REALIZATION | 2003 |
|
RU2262497C2 |
| METHOD FOR PRODUCTION OF DRY CONSTRUCTION MIXTURES | 2019 |
|
RU2735004C1 |
| DRY BUILDING MIXTURE FOR MAINTENANCE AND REPAIR WORK | 2008 |
|
RU2369575C1 |
