MIXTURE FOR PRODUCTION OF FIREPROOF CONCRETES Russian patent published in 2013 - IPC C04B28/02 

FIELD: chemistry.

SUBSTANCE: invention relates to field of metallurgy, namely, to production of fireproof concretes. Mixture for production of fireproof concretes contains the following components, wt %: cement - 20-30; fireproof filler, as such applied is TPP fly ash, which contains 60-75% of SiO₂, 12-15% of C, 8-10% of Al₂O₃, 3-5% of CaO, 2-3% of Fe₂O₃ and 1% of MgO, with phase composition of mixture being as follows: 70% particles with size 0.315 mm, 20% - 0.18 and 10% less than 0.18 mm - the remaining part; water - 15-20 (over 100%).

EFFECT: reduced cost of fireproof concrete production.

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