DURAMUL ®ZR is a high purity, fused zirconia-mullite grain is produced by the electric furnace fusion of Bayer process alumina and zircon sand. During melting, the zircon and alumina react to yield a mixture of mullite and zirconia.
- specialty product applications where a high resistance to environmental corrosion and a low coefficient of thermal expansion are desirable properties
- ceramic pressure casting tubes
- refractory shapes requiring resistance to molten slag and molten glass.
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