POLYSTYRENE CEMENT MIX Russian patent published in 1998 - IPC

FIELD: pouring mix for filling internal cavities of monolithic guard structures of inner walls, insulating layers of coatings and overhead covers. SUBSTANCE: polystyrene mix comprises cement, swollen granules of polystyrene foam, binding additive based on liquid glass or surfactant, and water. Depending on the desired density (grade), the ratio of components is as follows (wt parts): 83.5-91.5 polystyrene granules; 0.5- 1.5 binding additive (liquid glass or surfactant; and 10- 14 water. EFFECT: improved strength, heat-insulating and sound-insulating properties of polystyrene cement.