CHARGE FOR PREPARING OF POROUS REFRACTORY MATERIAL Russian patent published in 1995 - IPC

Abstract RU 2030369 C1

FIELD: heat insulating porous materials. SUBSTANCE: charge has, wt.-%: hollow corundum microspheres 20-30; niobium oxide (particle size is below 0.1 mcm) 20-30, and aluminium oxide (particle size is below 0.1 mcm) - the rest. Material properties: material shows close-grained structure of high mechanical strength (compression limit strength is 460-550 MPa). EFFECT: enhanced quality of charge. 2 dwg, 1 tbl

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RU 2 030 369 C1

Authors

Fomina G.A.

Antsiferova I.V.

Sevast'Janova I.G.

Dates

1995-03-10—Published

1991-03-12—Filed