FIELD: chemistry.
SUBSTANCE: concrete mixture contains, wt %: portland cement 22.0-24.0; haydite with grain size of 20-40 mm 22.0-27.5; haydite sand 6.0-8.0; grade 6 asbestos 1.0-2.0; rock flour from limestone or marble 20.0-24.0; water 18.0-20.0.
EFFECT: high water-resistance.
1 tbl
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