COMPOSITION FOR MANUFACTURE OF LIGHT-CONCRETE ARTICLES Russian patent published in 2002 - IPC

FIELD: manufacture of building materials. SUBSTANCE: proposed composition includes cement, sand, expanded granules of foam polystyrene and water; it also contains complex additive consisting of 0.015 wt-% of sulfate soap and 0.15 wt-% of commercial lignoulfonate in terms of mass of composition at the following ratio of components, mass-%: cement, 50 to 51; sand, 30 to 31; expanded granules of foam polystyrene, 2.1 to 2.2; above-mentioned additive, 0.165 and water being remainder. EFFECT: enhanced adhesion of granules to binder; plasticization of concrete mix; reduced density of finished articles. 3 tbl