FIELD: chemistry.
SUBSTANCE: invention relates to composition of mineral expansion agent and can be applied in production of cement used for grouting joints of built-up ferroconcrete constructions, water-proofing joints of hydrotechnical structures, production of ferroconcrete pressure pipes. Mineral cement expansion agent contains, mass %: Glauber's salt 20.0-30.0, magnesium oxide 35.0-40.0, pyrite cinder 2.0-3.0, highly-aluminous slag 25.0-30.0, double-water gypsum 3.0-7.0.
EFFECT: increase of degree of cement expansion.
1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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|
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|
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| RAW MIX FOR NATURAL STONE IMITATION | 2011 |
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| CERAMIC MIXTURE | 2006 |
|
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|
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|
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|
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|
RU2508267C1 |
| RAW MIXTURE | 2006 |
|
RU2331613C2 |
