FIELD: chemistry.
SUBSTANCE: raw mix for expanded clay production contains, mass %: clay raw materials 74.0-80.0; wine and brandy grain stillage 1.5-2.5; nepheline sludge 10.0-15.0; lime 5.0-8.0; gypsum 1.5-2.5.
EFFECT: higher expanded clay strength.
1 tbl
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|
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