FIELD: building materials, in particular fire-retardant materials.
SUBSTANCE: claimed composition contains (mass %): cement 48.5-63.0; expanded vermiculite as light filler 5.0-12.0; cellulose ester (e.g., carboxymethylcellulose) 0.5-1.4; calcium chloride as curing promoter 2.1-3.4; mica (e.g., mica-phlogopite) 6.0-15.0; additionally calcium hydroxide 1.5-7.0; aluminum powder 0.05-0.15; and balance: chalk. Composition of present invention is useful in fire-retardant internal and external coats for concrete and reinforced-concrete construction, preferably transport tunnels.
EFFECT: composition with improved fire-retardant efficiency, absence of shrinking deformations, increased corrosion resistance, and high heat insulating properties.
1 ex
| Title | Year | Author | Number |
|---|---|---|---|
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|
RU2506248C2 |
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|
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| FIREPROOF COMPOSITION FOR CONCRETE, METAL AND WOOD | 1998 |
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RU2249658C1 |
| FIRE-RETARDANT COMPOSITION | 2003 |
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| FIRE-RETARDANT COMPOSITION | 2003 |
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| FIREPROOF COMPOSITION FOR AIR DUCTS "FIREX-300" | 2012 |
|
RU2506250C2 |
