MELTED CHROME-CONTAINING REFRACTORY MATERIAL Russian patent published in 1995 - IPC

Abstract RU 2041181 C1

FIELD: refractory materials. SUBSTANCE: melted refractory material has, wt.-% Cr₂O₃ 72-86, Al₂O₃ 1,0-2,5 MgO 1,5-5, SiO₂ 10,5-14,0, Fe₂O₃+FeO 0,5-4,7 at least one alkaline oxide from the group: Na₂O, K₂O, Li_iO 0,4-4,7; at least one halogen from the group: F, Cl 0.1-0.3. Properties of material: opened porosity is 1.8-3.4% corrosion rate is 0.15-0.20 mm/24 h. Material is used for lining of glass-making furnaces. EFFECT: enhanced quality of material. 2 tbl

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RU 2 041 181 C1

Authors

Sokolov Vladimir Alekseevich

Dates

1995-08-09—Published

1992-11-12—Filed