FIELD: manufacture of building materials. SUBSTANCE: method includes preliminarily preparing raw material components, dozing and mixing blend components with simultaneously wetting blend with aqueous solution containing alkaline waste from caprolactam production, wastes from galvanic shops, and sodium salts from diaphene production, shaping blanks, drying, and firing. Physico-mechanical indexes: compression strength 9-13.7 MPa, total shrinkage 2.6-4.1%. EFFECT: reduced cost due to using wastes. 3 tbl
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