BLEND FOR PREPARING REFRACTORY PRODUCTS Russian patent published in 2001 - IPC

FIELD: building materials industry, more particularly manufacture of refractory grog products for lining of heat-engineering units and firing kilns in various industries. SUBSTANCE: blend comprises, wt %: high-melting clay, 12-27; low-melting clay, 8-20; grog, 10-12; quartz sand, 12-20, wall paper production waste, 32-48, wall paper production waste comprising, wt %: kaolin, 65-80; bone glue, starch, drying oil, and organic dyes, 35-20. EFFECT: high heat resistance and mechanical strength of the refractory products. 2 tbl