FIELD: building materials.
SUBSTANCE: invention relates to the field of building materials, in particular to heat-resistant concrete intended for use at elevated temperatures. The raw mix for the manufacture of cellular heat-resistant concrete contains, wt.%: Portland cement 47.47-50.56, protein-based foaming agent 0.03-0.06, basalt fiber with a fiber length of 6-12 mm 0.95-1.01, diabase powder with a particle size of not more than 0.63 mm 21.50-22.83, hollow glass-crystalline aluminosilicate microspheres 5.58-5.93, water 21.38-22.70.
EFFECT: decrease in the coefficient of thermal conductivity of cellular heat-resistant concrete with increasing temperature.
1 cl, 1 tbl, 1 ex
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