FIELD: construction industry.
SUBSTANCE: raw mix for production of constructional heat insulating foamed concrete contains, wt %: cement 29.0-31.0, fly ash of thermal power station with specific surface area 4000-5000 cm2/g 15.0-17.0, air-entraining extraction-colophony resin 0.07-0.1, carboxymethylcellulose 0.05-0.07, fluidifier C-3 0.3-0.35, quartz sand with specific surface area 5500-6000 cm2/g 18.0-20.0, and water is the rest.
EFFECT: decrease of cement consumption without loss of foamed concrete quality.
1 tbl
