FIELD: chemistry.
SUBSTANCE: invention relates to field of alumina cement production. Ground clinker - alumina cament contains, wt %: calcium monoaluminate - 57-77, maenite - 1-15, gehlenite - 1-30, calcium alumomanganite - 1-8.
EFFECT: increase of clinker grindability and reduction of energy consumption for grinding.
1 ex, 1 tbl
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