Castable refractory for slide gate

Details Castable refractory for slide gate Castable refractory for slide gate

1997-06-09

1999-01-05

Marcheschi, Michael

Compositions: ceramic

Ceramic compositions

Carbide or oxycarbide containing

501 87, 501 90, 501 91, 501 93, 501100, 501101, 501109, 501118, 501122, 501128, 501119, C04B 3510, C04B 3566

Patent

active

058562516

ABSTRACT:
Castable refractory for a slide gate plate is mainly formed of alumina raw material and amorphous carbon raw material of 2 to 15 wt %, and contains silicon carbide and/or boron carbide, the total content thereof being equal to 0.5 to 10 wt % (the content of boron carbide is equal to or less than 3 wt %, and when the content of boron carbide is less than 0.5 wt %, silicon carbide is set to 3 wt % or more), 2 to 10 wt % magnesia of 1 mm or less in particle size, 0.2 to 3 wt % silica fine powder of 5 micrometers or less in particle size, and 0.1 to 5 wt % salt of condensate of formalin and aromatic sulfonate.

REFERENCES:
patent: 4751204 (1988-06-01), Kyoden et al.
patent: 5214006 (1993-05-01), Langenohl
patent: 5246897 (1993-09-01), Ono et al.
patent: 5494267 (1996-02-01), Anderson et al.
Patent Abstracts of Japan, "Refractory Plate Material for Sliding Nozzle", publication No. 58-188559, Nov. 1983.
Patent Abstracts, "Sliding Nozzle Plate", publication No. 1-48661, Feb. 1989.
Patent Abstracts of Japan, "Castable Refractory", publication No. 4-139072 May 13, 1992.
Patent Abstracts of Japan, "Castable Refractory Composition", publication No. 3-279269 Dec. 10, 1991.

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