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Made from fused cast α-β alumina powder. Suited on the roof or the glass furnace, especially the oxy-fuel furnace.

The fused cast α-β alumina block isformed by the compact structure of α and β crystals. It has good corrosion resistance and stability and doesn't contaminate molten glass. The products are widely used in the parts such as working end, channnels, feeders and superstructures like melter crown, etc.