HEAT-INSULATION COATING FOR CENTRIFUGAL PIPE CASTING MOLDS Russian patent published in 1997 - IPC

Abstract RU 2089327 C1

FIELD: ferrous metallurgy. SUBSTANCE: coating contains (in wt %): diatomite, 20-40; bentonite, 0.5-3.0; liquid glass, 2-6; carbon- containing additive, 0.1-1.5; sodium tetraborate, 0.1-1.0; and water, the balance. As carbon-containing additive carbon black, black graphite or coal dust with specific surface area at least 3 sq.m/g can be used. EFFECT: optimized coating make-up. 2 cl, 1 tbl

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RU 2 089 327 C1

Authors

Mirzojan G.S.

Tinjakov V.G.

Semenov P.V.

Kuznetsov V.G.

Barmykov A.S.

Poddubnyj A.N.

Korjakov N.F.

Silaev A.L.

Dates

1997-09-10Published

1995-09-14Filed