FIELD: chemistry.
SUBSTANCE: invention deals with compositions of putties for glazing metal sashes. Putty contains, wt %: Portland cement 30.0-35.0; asbestos of 7 of grade 10-15; water 23-25; superplasticiser C-3 1.1-1.3; fly ash 28.9-30.7.
EFFECT: reduction of binding agent consumption in composition of putty.
1 tbl
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