主要化学成分Al₂O₃，纯度高达99%，体积密度一般在3.0-3.3g/cm³。可长期稳定在1750℃下使用，具有优异的耐高温性能、良好的热稳定性性能和化学惰性，对贵金属、铁、钴、镍

基合金等金属及酸性环境都有很强的抗腐蚀性。

The main chemical component is Al₂O₃, with a purity of up to 99% and a bulk density generally ranging from 3.0 to 3.3g/cm³. It can be stably used at 1750℃ for a long time, exhibiting excellent high-temperature resistance, good thermal stability, and chemical inertness. It also has strong corrosion resistance to precious metals, iron, cobalt, nickel-based alloys, and acidic environments.

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主要化学成分Al₂O₃，纯度高达99%，体积密度一般在3.0-3.3g/cm³。可长期稳定在1750℃下使用，具有优异的耐高温性能、良好的热稳定性性能和化学惰性，对贵金属、铁、钴、镍

基合金等金属及酸性环境都有很强的抗腐蚀性。

The main chemical component is Al₂O₃, with a purity of up to 99% and a bulk density generally ranging from 3.0 to 3.3g/cm³. It can be stably used at 1750℃ for a long time, exhibiting excellent high-temperature resistance, good thermal stability, and chemical inertness. It also has strong corrosion resistance to precious metals, iron, cobalt, nickel-based alloys, and acidic environments.