FIELD: chemistry.
SUBSTANCE: invention relates to field of manufacturing wall building materials. Raw material mixture for brick manufacturing includes, wt %: wood sawdust 52.8-59.7; quartz sand 15.0-20.0; Portland cement 25.0-27.0; sodium methylsiliconate 0.05-0.1; fibrous wastes of spinning or weaving industry 0.1-0.25; with water-cement ratio 0.6-0.65.
EFFECT: increased strength.
1 tbl
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