CRUDE MIXTURE FOR MANUFACTURE OF BUILDING MATERIALS Russian patent published in 2003 - IPC

FIELD: manufacture of building materials, ceramic brick in particular by means of use of considerable amount of waste materials, for example ash product. SUBSTANCE: proposed crude mixture includes ash microsphere, clay and water glass at density of 1.5; density of ash microsphere ranges from 300 to 500 kg/cu. m. Components of mixture are contained at the following ratio, mass-%: ash microsphere, 60- 70; clay, 20-30 and water glass at density of 1.5 being the remainder. EFFECT: REDUCED DENSITY; ENHANCED STRENGTH. 2 TBL