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2 127 921

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C1

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IPC

(21) (22)

Application

97120105/09, 1997-12-03

(22)

Actual filing date

1997-12-03

(45)

Published

1999-03-20

(72)

Inventor

Krasnova T.M.Maslova E.Kh.Chumaevskij V.A.Lavrov V.I.Chernykh A.M.Kartashov V.I.

(73)

Holder

Aktsionernoe Obshchestvo

COMPOUND FOR PRODUCING INSULATING COATING Russian patent published in 1999 - IPC

Abstract RU 2127921 C1

FIELD: electrical engineering; coating steel surfaces with insulating materials. SUBSTANCE: in order to obtain insulating coating, compound is doped with orthophosphoric acid in the form of thermal and wet-process phosphoric acid in proportion of 2:1, proportion of ingredients being as follows, mass percent: orthophosphoric acid - 49- 52; magnesium oxide - 4.6-5.2; aluminum hydroxide - 2.3-3.2; boric acid - 0.35-0.44; water - the rest. EFFECT: improved physical, mechanical, and magnetic properties of coating; improved space factor of steel. 1 tbl

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RU 2 127 921 C1

Authors

Krasnova T.M.

Maslova E.Kh.

Chumaevskij V.A.

Lavrov V.I.

Chernykh A.M.

Kartashov V.I.

Dates

1999-03-20—Published

1997-12-03—Filed

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