MIXTURE FOR MANUFACTURE OF REFRACTORY MATERIALS WITH NONCONTINUOUS GRANULAR COMPOSITION Russian patent published in 1997 - IPC

Abstract RU 2098387 C1

FIELD: manufacture of refractory materials. SUBSTANCE: mixture comprises, mas. %: granular corundum filler having fraction more than 0.5 mm in size; finely dispersed mixture of cooperative grinding having fraction less than 0.09 mm in size, the balance. Finely dispersed mixture comprises, mas. %: corundum, 40-63.5; alumina, 0.5-25; kaolin, 20-30; zirconium dioxide, the balance but not more than 5. Then half-finished articles are compressed of thus prepared mass and are roasted at 1520-1600 C. EFFECT: improved quality. 1 tbl

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RU 2 098 387 C1

Authors

Skurikhin V.V.

Tsvetkov A.E.

Migal' V.P.

Derkunova T.L.

Dates

1997-12-10—Published

1995-11-24—Filed