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2 098 393

(13)

C1

(51)

IPC

(21) (22)

Application

95116918/03, 1995-10-04

(22)

Actual filing date

1995-10-04

(45)

Published

1997-12-10

(72)

Inventor

Krasnova T.M.Chumaevskij V.A.

(73)

Holder

Aktsionernoe Obshchestvo Zakrytogo Tipa

COMPOSITION FOR MANUFACTURING ELECTRICALLY INSULATING COATING Russian patent published in 1997 - IPC

Abstract RU 2098393 C1

FIELD: metal working. SUBSTANCE: invention relates to creating insulation coating on steel surface. Composition - precursor of insulation coating is supplemented by phosphoric acid in the form of extraction phosphoric acid to give following makeup, wt-%: phosphoric acid, 50-65; magnesium oxide, 3.5-7.5; aluminum hydroxide, 1.45-3.2; boric acid, 0.27-3.9; and water, the balance. EFFECT: improved physico- mechanical parameters of insulation, increased magnetic properties of steel, and increased lifetime of coated steel products under elevated humidity conditions. 1 tbl

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RU 2 098 393 C1

Authors

Krasnova T.M.

Chumaevskij V.A.

Dates

1997-12-10—Published

1995-10-04—Filed

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