To prolong furnace lining′s service life, refining furnace lining is rammed with magnesia ramming material instead of magnesia brick.

为延长炉衬的使用寿命，用镁质捣打料代替镁砖打结精炼电炉炉衬。

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Sales: magnesia, magnesia brick, Meitanzhuan, bottom material, a special material that is not stereotypical fire-proof material, the light burning powder, steel.

销售：镁砂，镁砖，镁碳砖，炉底料，捣打料，不定型耐火材料，轻烧粉，钢材。

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And the test shows that the using condition of modified zirconium spinel brick is more bad than direct-bonded magnesia brick but as for chrome periclase-spinel compound brick (LYC) it is better.

试验表明，加锆改性尖晶石砖的使用情况较直接结合镁铬砖差，而加铬方镁石复合尖晶石砖(LYC砖)的使用效果好于直接结合镁铬砖。

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