Low sodium zircon refractory and fused silica process
AssigneeCorning Incorporated
InventorsDaniel R. Sempolinski, Latha I. Swaroop
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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.
Claims5
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 production of fused silica by forming and collecting molten fused silica particles, at least a portion of the furnace being constructed of fired, porous, refractory bodies consisting essentially of zircon and having a sodium ion content, as an impurity, of less than 30 ppm.
Dependencies are inferred from the claim text.