HYDROINSULATING MIX Russian patent published in 2002 - IPC

FIELD: preparation of hydroinsulating materials, more particularly hydroinsulating screen testing ground for burial of waste. SUBSTANCE: hydroinsulating mix comprises sand and petroleum-containing component, and clay. Petroleum-containing component includes asphalt-paraffin-resin deposits, ratios of components being as follows, wt %: clay, 45-50; sand, 15-20; lime, 10-15, asphalt-paraffin-resin deposits, 20-25. EFFECT: greater strength, prevention of lamination thereof attainment of filtration power and improved safety for environment. 1 tbl