RAW MIX FOR MANUFACTURING BUILDING STRUCTURES Russian patent published in 1997 - IPC

FIELD: manufacture of building structures such as brick, ceramic stones, facing slabs, large-size units, and broken tile. SUBSTANCE: in order to manufacture stronger and frost resistant products, the claimed composition comprises caustic magnesite, bischofite, filler and further comprises milled sand and activated plasticizing additives e.g. surfactants of bustilate and alumochromophosphate bond or alumiborophosphate bond, the ratio of said components in the composition being as follows (wt%): 10-70 caustic magnesite; 10-30 bischofite; 0.2-3.5 alumochromophosphate or alumoborophosphate bond; 10-70 filler; milled sand 5-20; 0.1-1.0 activating or plasticizing additives (surfactants or bustilate). EFFECT: improved properties of the raw mix. 1 tbl