COMPOSITION FOR MAKING POROUS AGGREGATE Russian patent published in 2016 - IPC C04B14/24 C04B20/06 C04B38/00 

FIELD: construction.

SUBSTANCE: invention relates to production of construction materials, particularly to production of porous aggregates based on liquid glass, meant for making light concretes, as well as heat insulation fillers. Composition for making a porous aggregate contains, wt%: liquid sodium glass with the density of 1.41 g/cm³ 50-75, sodium chloride ground to a particle size of less than 0.3 mm 1-3, ferrite dust from self-decaying slags of low-carbon ferrochrome with a particle size of not more than 0.5 mm and containing oxides, %: SiO₂ - 30.2; Al₂O₃ - 7.8; CaO - 45.4; MgO - 7.3; Cr₂O₃ - 7.8; ignition loss - 1.5.

EFFECT: higher compression of strength, softening coefficient of the porous aggregate, recycling of industrial wastes.

1 cl, 3 tbl