The core materials consist of soluble phosphate binder, magnesium oxide hardener and high-purity silicon oxide as refractory aggregate materials.
这种芯料采用水溶性磷酸盐为粘结剂、氧化镁为固化剂、高纯二氧化硅为耐火骨料。
2
Magnesium oxide (MgO) is the core of magnesium compounds because of its high output, wide use, lots of kinds, besides MgO is the materials of the other pure magnesium compounds.
氧化镁是镁化合物的核心，它产量大，应用面广，品种规格多，并且是其他高纯镁化合物的原料。
3
The revolving kiln is the key equipment in the oxide magnetic-core production.