The invention relates to the field of gas generators, in particular to kyanite-based refractory bricks for a gas generator. The refractory bricks are prepared from 35-45% of kyanite, 15-25% of bauxite, 15-25% of clay, 10-20% of wood flour, 5-10% of tabular corundum, 1-6% of silica powder, 1-6% of aluminum oxide micro powder, 1-4% of andalusite, 0.5-2% of …Web