硅溶胶型壳的面层和背层对硅溶胶和耐火粉料的要求是不一样的。
The requirements for silica sol and refractory powder for mold shell in face layer differ from that in back layer.
对石化工业炉施工过程中经常出现的耐火浇注料衬里自粉化现象的原因进行了初步探讨。
In this paper, the cause for the self-destruction of linings in the process of linings installation is discussed.
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。
Sales: magnesia, magnesia brick, Meitanzhuan, bottom material, a special material that is not stereotypical fire-proof material, the light burning powder, steel.
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