RAW MATERIAL MIXTURE FOR MANUFACTURE OF BUILDING ARTICLES Russian patent published in 1999 - IPC

FIELD: building materials; may be used in manufacture of heat- and sound-insulating members of buildings and structures, heat-efficient carriers and self-bearing guard members of buildings and structures in industrial and civil engineering. SUBSTANCE: mixture contains, mas.%: ground quartz sand, 38-5-48.5; sodium fluosilicate, 4.7-6.0; water glass, 28.5-35.8; water, 4.9-24.3; and additionally foam-forming agent, neutralized product of asphalt treatment with sulfuric acid, 3.0-3.75; additive oxyphos - bis(alkylpolyoxyethylene)phosphate [C_nH_2n+1O(C₂H₄O)₆]₂ POH, 1.0-1.25. EFFECT: higher strength of articles manufactured from the offered raw material mixture, reduced cost of their manufacture and their higher efficiency in capacities of efficient heat-preservation structures in industrial and civil engineering. 2 tbl