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2 014 306

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IPC

(21) (22)

Application

4951827/33, 1991-06-28

(22)

Actual filing date

1991-06-28

(45)

Published

1994-06-15

(72)

Inventor

Nagornyj A.F.Begletsov V.V.Khomenko V.P.

(73)

Holder

Nagornyj Aleksandr FedorovichBegletsov Vladimir Vasil'EvichKhomenko Villen Petrovich

COMPOSITION FOR MANUFACTURING SOUNDPROOFING AND HEAT-INSULATING ARTICLES Russian patent published in 1994 - IPC

Abstract RU 2014306 C1

FIELD: manufacturing soundproofing and heat-insulating articles. SUBSTANCE: composition contains, mass %: cement-pozzuolana binder 17.24-17.91, perlite sand treated by sodium methylsiliconate 15.25-16.47, glass fiber 1.15-1.19, water the rest. Articles prepared of proposed composition have density 254-267,5 kg/m³, bending strength 0.25-0.26 MPa; heat conductivity at operating conditions is 0.069-0.072 W/mK. EFFECT: improves quality of composition. 1 tbl

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RU 2 014 306 C1

Authors

Nagornyj A.F.

Begletsov V.V.

Khomenko V.P.

Dates

1994-06-15—Published

1991-06-28—Filed