COMPOSITION FOR HEAT-INSULATING MATERIAL MAKING Russian patent published in 2002 - IPC

FIELD: building material industry. SUBSTANCE: composition for production of the heat-insulating material comprises the following components, wt.%: crushed material and underfiring light-weight brick from tripoline or diatomic materials and/or siftings from production of granular diatomic filtered materials and sorbents as a calcinated siliceous component, 43-63; solid sodium hydroxide, 22-26; by-side product of carbon-thermic production of silicon or its alloys of microsilica, 6-22; filling agent, 5-13 in the ratio water : solid substance from 0.60 to 0.80. EFFECT: improved technology, simplified processing, retained high water resistance. 3 cl, 1 tbl