FIELD: chemistry.
SUBSTANCE: mixture contains, wt %: Portland cement 17.0-19.0; microsilica 0.5-0.9; basalt fiber up to 9 mm long 0.5-0.9; quartz sand 62.6-64.6; 3% aqueous solution of hydrogen peroxide 2.0-3.0; water 14.0-15.0.
EFFECT: increased frost resistance.
1 tbl
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