刚玉-莫来石坩埚是指由刚玉（a-Al₂O₃）和莫来石（3Al₂O₃·2SiO₂）两种高温物相共同构成的复相耐火材料，将刚玉的高强度、高硬度、高耐火度性能与莫来石优异的热震性能和高温蠕变性有机的结合在一起，通常Al₂O₃含量在75%-85%，比重通常在2.6-3.1g/cm³，最高使用温度1700℃，对大多数金属及合金具有良好的耐腐蚀性。

Corundum-mullite crucibles refers to a multiphase refractory material composed of two high-temperature phases: corundum (α-Al₂O₃) and mullite (3Al₂O₃·2SiO₂). It organically combines the high strength, high hardness, and high refractoriness of corundum with the excellent thermal shock resistance and high-temperature creep resistance of mullite. Typically, the Al2O3 content ranges from 75% to 85%, the specific gravity is 2.6-3.1 g/cm³, and the maximum operating temperature is 1700℃. It exhibits good corrosion resistance to most metals and alloys.

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刚玉-莫来石坩埚是指由刚玉（a-Al₂O₃）和莫来石（3Al₂O₃·2SiO₂）两种高温物相共同构成的复相耐火材料，将刚玉的高强度、高硬度、高耐火度性能与莫来石优异的热震性能和高温蠕变性有机的结合在一起，通常Al₂O₃含量在75%-85%，比重通常在2.6-3.1g/cm³，最高使用温度1700℃，对大多数金属及合金具有良好的耐腐蚀性。

Corundum-mullite crucibles refers to a multiphase refractory material composed of two high-temperature phases: corundum (α-Al₂O₃) and mullite (3Al₂O₃·2SiO₂). It organically combines the high strength, high hardness, and high refractoriness of corundum with the excellent thermal shock resistance and high-temperature creep resistance of mullite. Typically, the Al2O3 content ranges from 75% to 85%, the specific gravity is 2.6-3.1 g/cm³, and the maximum operating temperature is 1700℃. It exhibits good corrosion resistance to most metals and alloys.