FIELD: ceramics industry. SUBSTANCE: blend contains 25-30% of clay, 6-8% of dolomite, 5-15% of aluminate galvanic sludge, and silica - the rest. Invention provides manufacturing quality grinding bodies when blend contains environment-polluting alumina-containing industrial wastes. In this case, content of expensive silica in blend is reduced. EFFECT: widened source of raw material. 2 tbl
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