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Sllica Fume is a byproduct which is formed in the production of Desilicate Zirconia. It is mainly applied in amorphous refractory materials, architecture, ceramics, pigments, chemicals and other industries. It can be used in the cement concrete, for it can reduce the dosage of cement. In addition, it can eliminate the material segregation, improve the strength of concrete, enhance wear resistance and duraillity, and improve the corrosion resistance of steel. In the amorphous refractory, the prod