Low sodium zircon refractory and fused silica process

Details Low sodium zircon refractory and fused silica process Low sodium zircon refractory and fused silica process

1993-04-16

1994-07-26

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

373 27, 373 33, C04B 3548

Patent

active

053327020

ABSTRACT:
A fired, porous, zircon refractory body consisting essentially of zircon and having a sodium ion content, as an impurity, of less than 30 ppm. A furnace for making fused silica constructed with a crown and cup of such zircon refractory, and a method of making fused silica using such furnace.

REFERENCES:
patent: 2239551 (1941-04-01), Dalton et al.
patent: 2272342 (1942-02-01), Hyde
patent: 3351334 (1967-11-01), Reinker
patent: 5043002 (1990-08-01), Dobbins et al.
patent: 5124287 (1992-06-01), Wehrenberg et al.

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