FIELD: chemistry.
SUBSTANCE: invention relates to a composition of raw mixture for making heat-resistant concrete. The raw mixture for making heat-resistant concrete contains, wt %: aluminium-chromium phosphate binder 15 to 18, electromelted corundum 18 to 26, technical alumina 37 to 41, blast-furnace slag 9 to 15.5, wastes from limestone sawing 4 to 10, mixture of silicon and sodium nanoparticles SiO2 and Na2O 1.5 to 2.5.
EFFECT: increased concrete strength.
1 tbl
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Authors
Dates
2009-11-27—Published
2008-06-16—Filed