FIELD: construction.
SUBSTANCE: raw mix contains industrial gypsum, water and additives in the form of potassium sulfate and sodium chloride, at the following ratio of components, wt %: industrial gypsum 65-70; potassium sulfate 1.4-2.0; sodium chloride 1.5-2.0; water - the rest.
EFFECT: improved strength of material simultaneously with reduction of its cost.
1 tbl, 3 ex
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