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α -β alumina brick is the compact structure formed from α-Al2O3 and β-Al2O3 alumina aicula and in a most ideal proportion,it has good erosion resisting and good stability,its feature is that when touching melting glass,it produces little stone or bubblet So,α -βalumina brick may be widely used to the position of touching melting glass of refiner,and may be used to the upper structure including crown.

Features
1. High refractoriness;
2. Better resistance to glass liquid;
3. Excellent thermal stability.

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