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2 130 910

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IPC

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Application

96103162/03, 1996-02-19

(22)

Actual filing date

1996-02-19

(45)

Published

1999-05-27

(72)

Inventor

Proshina N.A.Korolev E.V.Kirsanov A.S.Proshin A.P.

(73)

Holder

Penzenskij Gosudarstvennyj Arkhitekturno-Stroitel'Nyj Institut

COMPOSITION FOR MANUFACTURING GYPSUM PRODUCTS Russian patent published in 1999 - IPC

Abstract RU 2130910 C1

FIELD: building materials industry, more particularly manufacture of gypsum binder-based products. SUBSTANCE: composition comprises wt %: gypsum binder, 22-29; optical glass production waste with particle size of 5.0-2.5 mm, 45-54; optical glass production waste with particle size of 1.25-0.63 mm, 7-9; optical glass production waste with specific surface of 1800-2000 sq.cm/g, 4-5; milk serum, 1-3; and water, the balance. Products have average density of 2920-3240 kg/cubic m and compression strength of 13.6-15.1 MPa. EFFECT: improved properties of the composition. 1 tbl

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RU 2 130 910 C1

Authors

Proshina N.A.

Korolev E.V.

Kirsanov A.S.

Proshin A.P.

Dates

1999-05-27—Published

1996-02-19—Filed

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