It is an ideal filler for high-temperature furnaces and excellent of light weight castable refractory.

是高温炉是理想隔热填充料，亦是高温质轻耐火浇注料的优质骨料。

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It is an ideal filler for high-temperature furnaces and excellent of light weight castable refractory.

是高温炉是理想隔热填充料，亦是高温质轻耐火浇注料的优质骨料。

youdao