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2 017 699

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IPC

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Application

5006328/33, 1991-07-04

(22)

Actual filing date

1991-07-04

(45)

Published

1994-08-15

(72)

Inventor

Duvidzon N.V.Shlykova G.G.Tsvetkov N.A.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Stroitel'Nykh Materialov Pri Tomskom Inzhenerno-Stroitel'Nom Institute

COMPOSITION GYPSUM MATERIAL Russian patent published in 1994 - IPC

Abstract RU 2017699 C1

FIELD: building materials. SUBSTANCE: composition gypsum material has, wt. -% : building gypsum 26.23-27.7; saw-dust 18.05-39.34; aluminoammonium alum 0.33-0.68, water 34.1-53.57. Average density of material is 450-550 kg/m3, compression limit strength at 28 days old age is 20.3-24.0 kg/cm2. EFFECT: enhanced quality of material. 1 tbl

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RU 2 017 699 C1

Authors

Duvidzon N.V.

Shlykova G.G.

Tsvetkov N.A.

Dates

1994-08-15—Published

1991-07-04—Filed

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