FIELD: technological processes.
SUBSTANCE: invention relates to the technology of binding materials and can be used in the manufacture of silicate hollow pressed materials. Lime-siliceous binder for the manufacture of hollow pressed products was obtained by grinding the components together to a specific surface of 400 m2/g and contains 50 wt% quicklime, 10–30 wt% quartz sand and 40–20 wt% carbonate-containing material with a carbonate content of not less than 86 %. Technical result is the expansion of the raw material base, disposal of carbonate-containing material, reduction of the molding moisture of the mixture and increase in raw strength above 0.57 MPa.
EFFECT: expansion of raw material base.
1 cl, 2 dwg, 3 tbl
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