BINDING AGENT Russian patent published in 2004 - IPC

FIELD: manufacture of building materials.

SUBSTANCE: broken glass-based binding agent further contains alkali sodium silicate solution with modulus 2.0-2.06 and density 1.21-1.26 g/cm³ (7.1-8.4% on conversion to Na₂O), keramzit dust (7,1-11.2%), and additive (1.0-1.6%), said keramzit dust being keramzit production waste from dust precipitation cyclones with specific surface 4200-4800 cm²/g and said additive being alumino-fluorine-containing waste from brick lining of dismantled electrolyzers with specific surface 3500-4000 cm²/g.

EFFECT: increased strength and waterproofness at lower expenses.

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