MOLTEN REFRACTORY MATERIAL Russian patent published in 2009 - IPC C04B35/657 

Abstract RU 2371422 C1

FIELD: chemistry.

SUBSTANCE: invention relates to high-alumina refractory mixtures and products with operating temperature in the range 1600 to 1650°C or above. The molten refractory material contains the following components, wt %: Na2O - 0.8 to 3.0; CaO - 6.0 to 12.0; Cr2O3 - 6.0 to 12.0; MgO - 1.0 to 3.0; SiO2 - 0.2 to 0.4; Al2O3 - the rest.

EFFECT: increased resistance of refractory material to highly-aggressive reducing media, molten highly-active light metals.

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Authors

Perepelitsin Vladimir Alekseevich

Rytvin Viktor Mikhajlovich

Gil'Varg Sergej Igorevich

Ignatenko Vladimir Gennad'Evich

Abyzov Aleksandr Nikolaevich

Dates

2009-10-27Published

2008-06-06Filed