Importance

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Abstract

A mixture as described herein and a process for forming a coherent refractory mass on a surface of a refractory comprised of at least one silicon compound, the process including providing a mixture comprised of combustible particles including silicon particles, refractory particles of one or a plurality of substances which constitute a major portion by weight of the mixture, and particles of another substance or precursor thereof which are nonmetallic and which cause the incorporation of silica, formed by the combustion of silicon, into a crystalline lattice within the coherent refractory mass; and projecting the mixture against the surface of a refractory, simultaneously with oxygen, so that the combustible particles react in an exothermic manner with the projected oxygen and release sufficient heat to form the refractory mass under the action of heat of combustion.

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First Claim