RAW MEAL FOR MANUFACTURING BUILDING PARTS Russian patent published in 2002 - IPC

FIELD: manufacture of building materials. SUBSTANCE: raw meal for manufacturing building parts protecting against ionizing emissions and serving as heat- insulation material contains 3.4-4.7% liquid glass, 15.3-21.6% scop, 38-32% filling agent, and concrete aggregate - the balance. Filling agent is constituted by optical glass production waste with specific surface 80-100 sq. m/kg and concrete aggregate by the same waste with particle size 2.5-3 mm. EFFECT: increased average density of material. 1 tbl