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Dead-burned magnesite and magnesia-alumina spinel refractory composition
Dead-burned magnesite and magnesia-alumina spinel refractory composition
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机译:死烧菱镁矿和镁铝尖晶石耐火材料
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摘要
A refractory composition for forming shaped refractories comprising from about 60 to 85% by weight of a dead-burned magnesite and, correspondingly, about 15 to 40% by weight of a magnesia-alumina spinel grain; said refractory having a total lime and silica content of about 2 to 4% by weight and a lime-to-silica ratio (CaO:SiO.sub.2) greater than about 1.
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