活动性差的硅铝质砂板岩形成岩体的天然屏障；
执行标准：该设备按照国家标准GB 10696《硅铝质耐火浇注料耐碱性试验方法》对试验炉的要求而制作。
Execution standard:The equipment is made by the standard of GB/T 10696《Test method for alkali-resistance of refractories》. All kinds of technical criteria accords with requirement.
针对前脸墙鼻部烧结锆莫来石砖侵蚀物结石中常常只看到铝硅质晶相而被误判，详细介绍了烧结锆莫来石 砖的蚀变过程及侵蚀产物的岩相分析。
In the petrographic analysis of the corrosion product of zircon mullite sintered brick only the aluminosilicious crystal phase was observed, which often leads to mistake analysis result .
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