RAW MIX FOR PRODUCTION OF POROUS, FIREPROOF, HEAT INSULATION MATERIAL Russian patent published in 2010 - IPC C04B38/02 

FIELD: construction.

SUBSTANCE: raw mix contains aluminium, mineral filler, as binder, at least one polymetal phosphate from the group, which includes the following: alumina-boron-phosphate, magnesium-boron-phosphate, alumina-magnesium-phosphate, alumina-chrome-phosphate, in liquid aggregate condition with P₂O₅ content of at least 36%, with mass ratio of mineral filler to binder of 1.25-1.54, with mass ratio of aluminium to binder equal to 0.009-0.067, nanomodifier - refractory silicon and aluminium oxides, partially stabilised zirconium dioxide or binary or triple oxide systems from the row of CaO, Al₂O₃, SiO₂, MgO, at the following ratio of components, wt %: aluminium 0.6-5.0; nanomodifier 0.01-0.1; mineral filler - the rest. Invention is developed in dependent claim of formula.

EFFECT: increased temperature of application and compression strength limit.

2 cl, 1 tbl, 1 ex