FIELD: construction.
SUBSTANCE: invention relates to construction materials, particularly to production of heat-resistant composites (concretes) based on chemical binders. Composition for making heat-resistant composites contains the following component ratio, wt%: spent catalyst IM-2201 10-15, crushed stone 33-40, H3PO4 10-15, aluminochrome waste of aluminium alloy etching 24-30, iron dust from self-decaying slags of low-carbon ferrochrome 10-13.
EFFECT: technical result consists in improvement of ultimate compression strength and heat resistance of heat-resistant composites.
1 cl, 3 tbl
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