Refractory article and method of making the same

Details Refractory article and method of making the same Refractory article and method of making the same

1976-12-08

1979-01-23

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 65, 106 69, C04B 3510, C04B 3514

Patent

active

041359399

ABSTRACT:
A thermally stable refractory article and method of forming the same is provided. The refractory article comprises a mixture of fine and coarse silica sands containing from trace amounts up to about 10 weight percent alumina and a binder therefor. Preferably the fine silica sand has a particle size ranging from about 0.06 to about 0.10 mm while the coarse silica sand has a particle size of up to about 3.0 mm. The binder is a silica-alumina clay. Preferably it contains in weight percent from about 55 to about 60 percent silica and from about 22 to about 40 percent alumina, plus incidental impurities.
The invention also concerns the method of forming the above described refractory article and a monolithic lining therefrom.

REFERENCES:
patent: 3463650 (1969-08-01), McCreight et al.
patent: 3751274 (1973-08-01), Bakker
patent: 3770867 (1973-11-01), Criss
patent: 4018615 (1977-04-01), Mills

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