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2 090 537

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Application

95101263/03, 1995-01-27

(22)

Actual filing date

1995-01-27

(45)

Published

1997-09-20

(72)

Inventor

Skurikhin V.V.Migal' V.P.Novikov N.A.Il'In G.I.Tsvetkov A.E.Klopova N.N.Sakulin V.Ja.

(73)

Holder

Aktsionernoe Obshchestvo Otkrytogo Tipa Kombinat Ogneuporov"

BLEND FOR MANUFACTURING DISCONTINUOUS GRAIN SIZE COMPOSITION Russian patent published in 1997 - IPC

Abstract RU 2090537 C1

FIELD: ferrous and non-ferrous metallurgy, glass making and chemical industries. SUBSTANCE: blend for manufacturing refractories having discontinuous grain size composition comprises 40-60 % grain-size mullite containing filler fraction of greater than 0.5 mm and the balance includes finally ground alumosilicate and zirconium fraction components of less than 0.09 mm as combined grinding mixture. Combined grinding mixture comprises, %: mullite containing filler, 40-70; refractory clay or kaolin, 20-30; and zirconium dioxide, the balance (not less than 10); and free SiO2/ZrO2 ratio of 0.7- 0.5. The final mixture is pressed and roasted at 1400- 1500 C. EFFECT: improved properties. 1 tbl

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RU 2 090 537 C1

Authors

Skurikhin V.V.

Migal' V.P.

Novikov N.A.

Il'In G.I.

Tsvetkov A.E.

Klopova N.N.

Sakulin V.Ja.

Dates

1997-09-20—Published

1995-01-27—Filed

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