Alumina-chrome refractory composition

Details Alumina-chrome refractory composition Alumina-chrome refractory composition

1976-02-23

1977-08-02

Douglas, Winston A.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 65, 106 67, 106 59, 106 57, 106 69, C04B 3542, C04B 3544

Patent

active

040393445

ABSTRACT:
An alumina-chrome refractory composition comprises 30-60% by weight of alumina-silica type material containing 50-95% by weight of alumina with the major part in coarse particle size, and 70-40% by weight of chrome type material with the major part in fine particle size. In a modification, the alumina-chrome refractory composition comprises 70-99% by weight of a mix consisting of the alumina-silica type material and chrome type material in the above percentages, and 1-30% by weight of at least one of the materials selected from the group consisting of alumina, zircon, zirconia, magnesia, spinel, clay, silicon carbide and titanium oxide in fine particle size ranges.

REFERENCES:
patent: 3365318 (1968-01-01), Nameishi
patent: 3505101 (1970-04-01), Koffskey et al.
patent: 3773532 (1973-11-01), Manigault

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