Al2O3/ZrO2 refractory casting material and using method thereof
A technology of refractory castable and mullite, applied in the field of refractory castable, can solve the problems of long production process, inconvenient use and high manufacturing cost, and achieve the effects of excellent thermal shock resistance, wide adaptability and convenient use.
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[0092] A mullite-bonded aluminum-zirconium refractory castable, consisting of aggregate, powder and additives:
[0093] A. The aggregate is composed of brown corundum and sub-white corundum, among which brown corundum with a particle size of 3-5mm accounts for 30% of the sum of aggregate and powder mass; brown corundum with a particle size of 1-3mm accounts for 30% of the sum of aggregate and powder mass 25%, sub-white corundum with a particle size of 0.5-1mm accounts for 15% of the sum of aggregate and powder;
[0094] B. The powder is composed of the following raw materials: silica powder accounts for 3% of the sum of aggregate and powder mass, white mud accounts for 2% of the sum of aggregate and powder mass, α-Al203 powder accounts for aggregate and powder mass 8% of the sum; ρ-Al203 powder accounts for 3% of the sum of aggregate and powder mass; sub-white corundum powder accounts for 7% of the sum of aggregate and powder mass; zircon powder accounts for aggregate and powd...
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