Antifrosty additive for AKM concrete — 20 Standard
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- In detail
- Country of manufactureRussia
- Type of useUniversal
- Type of additiveAnti-frost
- PurposeFor concrete
Scope
The AKM — 20 Standard modifier has broad application in production of heavy concrete at a negative temperature of external air to - 20 °C at construction of monolithic and sbornomonolitny concrete and reinforced concrete designs and constructions, including concreting in the sliding timbering, for a zamonolichivaniye of joints of combined designs, in production of combined concrete and reinforced concrete products in the conditions of building sites and grounds, is also widely applicable in light and fine - grained concrete on porous fillers with various parameters and properties.
Opportunities and advantages
Use of the AKM - 20 Standard modifier in the conditions of winter concreting provides:
- On rheological properties:
- receiving high - mobile and cast concrete mixes with brand on mobility to P5;
- decrease in a freezing point of water in concrete mix to t = - 20 °C that allows to transport concrete mix on long distances;
- - delay of terms of a skhvatyvaniye of concrete mix when transporting and its further laying with preservation of a high udoboukladyvayemost.
- On physicomechanical indicators:
- durability set at a negative temperature at the age of 28 days not less than 30% of control structure of normal curing;
- increase of durability of concrete to 30% and above in the first days of normal curing;
- increase of coupling of fittings to concrete by 1,5 - 2 times;
- increase of indicators on frost resistance and water tightness of concrete at a negative temperature of external air;
- prevention of vysol on a concrete surface.
- On the technician - to economic indicators:
- partial or full refusal of warming up of inert materials;
- economy of the cement knitting to 7 — 10% depending on characteristics and requirements to concrete mix;
- partial refusal of warming up when transporting concrete mix and further curing of concrete in the conditions of negative temperatures.
- receiving high - mobile and cast concrete mixes with brand on mobility to P5;
- decrease in a freezing point of water in concrete mix to t = - 20 °C that allows to transport concrete mix on long distances;
- delay of terms of a skhvatyvaniye of concrete mix when transporting and its further laying with preservation of a high udoboukladyvayemost.
Dosage
The dosage of the AKM — 20 Standard modifier is appointed taking into account the expected negative temperature, its expense is determined by the mass of the knitting substance.