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2 107 674

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IPC

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Application

95120045/03, 1995-11-27

(22)

Actual filing date

1995-11-27

(45)

Published

1998-03-27

(72)

Inventor

Skurikhin V.V.Migal' V.P.Sakulin V.Ja.Derkunova T.L.Tsvetkov A.E.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Kombinat Ogneuporov"

CHARGE FOR MANUFACTURING REFRACTORY MATERIALS WITH DISCONTINUOUS GRAINY COMPOSITION Russian patent published in 1998 - IPC

Abstract RU 2107674 C1

FIELD: refractory materials. SUBSTANCE: charge is composed of (in wt %): refractory filler fraction above 0.5 mm (zircon, mullite-corundum chamotte), 40-60; mixture of combined grinding of fraction below 0.09 mm containing 1-70 wt % of mullite- containing filler, 1-70 wt % zircon, and 20-30 wt % of refractory clay or kaolin, 40-60; and zirconium dioxide, the balance. SiO2/ZrO2 ratio is maintained within the range from 0.7 to 0.25. Invention may find use in metallurgy, glass-making, chemical, and other industries. EFFECT: optimized composition of charge. 2 cl

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RU 2 107 674 C1

Authors

Skurikhin V.V.

Migal' V.P.

Sakulin V.Ja.

Derkunova T.L.

Tsvetkov A.E.

Dates

1998-03-27—Published

1995-11-27—Filed

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