High-strength castable
A castable, high-strength technology, applied in the field of high-strength castables, can solve the problems of high cost of corundum materials, high raw material costs, increased production costs of production enterprises, etc., and achieve good thermal shock resistance and high softening temperature under load , the effect of reducing consumption
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[0015] The high-strength castable according to the present invention is composed of raw materials bauxite, brown corundum, silicon carbide, silicon micropowder, CA-70 cement, alumina powder, sodium tripolyphosphate, and sodium hexametaphosphate according to the following parts by weight Formulated with:
[0016] 2.5 parts of bauxite materials with a particle size of 8-5mm, 2.3 parts of bauxite materials with a particle size of 0.075mm<5mm; 2 parts of brown corundum particles with a particle size of 3-1mm; 0.4 parts of alumina superfine powder with a particle size of 0.025 mm; 0.6 parts of silicon carbide powder with a particle size of ≤0.075 mm; 0.3 parts of silicon powder with a particle size of <0.019 mm; 0.6 parts of CA-70 cement; 0.5 parts of brown corundum powder with a particle size of <0.053 mm; Sodium tripolyphosphate of 0.1% of the total material weight; sodium hexametaphosphate of 0.08% of the total material weight; use a jaw crusher or a cone crusher to crush the ma...
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