FIELD: chemistry.
SUBSTANCE: ceramic mixture contains cambrian clay, sieve residue of construction wastes from building demolition with Mkr=2.7, 80% of which consists of crushed heavy concrete, crushed spent gypsum moulds, with the following ratio of components, wt %: cambrian clay 60-65, sieve residue of construction wastes from building demolition with Mkr=2.7, 80% of which consists of crushed heavy concrete 20-24 crushed spent gypsum moulds 15-16.
EFFECT: reduced average density of potsherd and faster process of drying a ceramic mixture on a press filter.
1 tbl, 1 ex
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