Cryolite resistant refractory
作者： Edmund A. Cortellini
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摘要: In a Hall-Heroult cell for aluminum production, cryolite-resistant liner comprising: a) between about 75 weight percent w/o and 95 alumina-silica refractory grain, b) 2 10 of sealant selected from the group consisting zinc borate; sulfur; R1 Al/x/2 Siy/2 Oz/2, R2(OH)2, R2CO3, R2SO4: 2H2O, R2SiO3; wherein: i) is Na, K, Li, mixtures thereof, ii) x, y z are integers 1 16, inclusive, iii) R2 Ca, Sr Mg.
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