FIELD: chemistry.
SUBSTANCE: invention relates to technology of binding materials and can be used in production of silicate colour autoclave compacted articles. Lime-silica binder for production of silicate colour moulded articles, containing burnt lime and quartz sand at a ratio L:Q = 1:1 and an additive introduced during grinding of components of binder, contains as additive a carbonate-containing material – carbonate rock, containing, wt%: CaCO3 86–94 and MgCO3 4.5, and grinding is performed to specific surface area 400 m2/g in following ratio of components, wt%: unslaked lime 35–45, quartz sand 35–45, said carbonate-containing material 10–30. Reduced moulding humidity of mixture for producing raw strength not less than 0.5 MPa.
EFFECT: reduction of moulding moisture content of mixture.
1 cl, 2 tbl, 1 dwg
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Authors
Dates
2017-01-18—Published
2015-06-17—Filed