主要是以氧化铝和氧化锆为成分复合而成的耐高温材料，根据氧化锆含量不同，一般分为25#、40#。体积密度一般在4.0g/cm3以上，最高使用温度在1800℃，高温稳定性能强，可长期在1750℃正常使用；具有极高的热稳定性能，可在急冷急热环境下，多次正常使用；同时具有耐熔体侵蚀性能和强机械性能。

It is primarily a high-temperature resistant material composed of a composite of alumina and zirconia. Depending on the zirconia content, it is generally classified as 25# and 40#. The bulk density is generally above 4.0g/cm3, with a maximum operating temperature of 1800℃. It exhibits strong high-temperature stability and can be used normally at 1750℃ for extended periods. It has extremely high thermal stability and can be used multiple times in rapid cooling and heating environments. Additionally, it possesses resistance to melt erosion and strong mechanical properties.

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主要是以氧化铝和氧化锆为成分复合而成的耐高温材料，根据氧化锆含量不同，一般分为25#、40#。体积密度一般在4.0g/cm3以上，最高使用温度在1800℃，高温稳定性能强，可长期在1750℃正常使用；具有极高的热稳定性能，可在急冷急热环境下，多次正常使用；同时具有耐熔体侵蚀性能和强机械性能。

It is primarily a high-temperature resistant material composed of a composite of alumina and zirconia. Depending on the zirconia content, it is generally classified as 25# and 40#. The bulk density is generally above 4.0g/cm3, with a maximum operating temperature of 1800℃. It exhibits strong high-temperature stability and can be used normally at 1750℃ for extended periods. It has extremely high thermal stability and can be used multiple times in rapid cooling and heating environments. Additionally, it possesses resistance to melt erosion and strong mechanical properties.