BINDING AGENT Russian patent published in 1999 - IPC

FIELD: manufacture of building materials. SUBSTANCE: binding material contains, as alumino-silicate component, 41.67-62.11% of ground refuse ash-slag mix provided by combustion of brown coal and also includes 37.89 -58.33% of carbon-containing liquid glass prepared from crystalline silicon production waste containing up to 6-7 wt % of fine carbon materials (graphite flowability and carborundum) with silicate modulus 1-3 and density 1.20-1.43. EFFECT: increased acid resistance and increased hardening time. 2 tbl