FIELD: construction.
SUBSTANCE: raw mix that contains β-semi-hydrate of calcium sulfate, calcium-containing residue of radio engineering production waste waters dried down to permanent mass, and water, additionally contains modifying additive with specific surface of 500 m2/g, produced by joint grinding of glauconite sand with content of SiO2 87% and superplasticiser C-3 in amount of 1% from mass of sand, at the following ratio of components, wt %: β-semi-hydrate of calcium sulfate 55-57, calcium-containing residue of radio engineering production waste waters 5-6, specified additive 10-15, water - the rest.
EFFECT: higher compression strength, reduced water absorption and higher water resistance.
3 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| BUILDING MIXTURE FOR MANUFACTURING HEAT INSULATION PRODUCTS | 2021 |
|
RU2766181C1 |
| METHOD FOR PRODUCTION OF GYPSUM BINDING AGENT | 2006 |
|
RU2351557C2 |
| GYPSUM MIXTURE | 2011 |
|
RU2476402C2 |
| COMPOSITION FOR BUILDING ARTICLE MAKING | 2000 |
|
RU2182567C1 |
| COMPLEX ADDITION AND METHOD OF OBTAINING THEREOF | 2008 |
|
RU2385302C1 |
| METHOD OF MAKING WATER-RESISTANT COMPOSITE OBJECT (VERSIONS) AND COMPOSITE OBJECT, MADE USING SAID METHOD | 2008 |
|
RU2375386C1 |
| COMPOSITION FOR THE MANUFACTURE OF WATERPROOF FACING GYPSUM PRODUCTS | 2022 |
|
RU2787245C1 |
| METHOD OF PREPARING WATER-RESISTANT GYPSUM BINDER | 2009 |
|
RU2415093C1 |
| COMPOSITION GYPSUM BINDER | 2010 |
|
RU2426702C1 |
| POLYPHASE GYPSUM BINDING AGENT AND METHOD OF MAKING IT | 2007 |
|
RU2356863C1 |
