Castable refractory containing alumina coarse grains

Details Castable refractory containing alumina coarse grains Castable refractory containing alumina coarse grains

1996-10-28

1997-10-28

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501120, 501121, 501122, 501124, 501125, 501128, 501133, C04B 35043, C04B 35101

Patent

active

056817851

ABSTRACT:
A castable refractory which comprises a matrix, making up 100 wt % in total, composed of 3-20 wt % of magnesia clinker having a particle diameter smaller than 0.21 mm and containing more than 95 wt % of MgO and 0.5-3.0 wt % of alumina cement in terms of CaO, with the remainder being alumina, and 0.1-3 wt % of ultrafine powder of amorphous silica and 3-9 wt % of alumina coarse grains having a particle diameter of 8-20 mm, both in terms of outer percentage of the amount of the matrix.

REFERENCES:
patent: 4990475 (1991-02-01), Matsumoto et al.
patent: 5135896 (1992-08-01), Vezza
patent: 5283215 (1994-02-01), Hosokawa et al.
patent: 5506181 (1996-04-01), Matsumoto et al.
patent: 5578538 (1996-11-01), Nishikawa et al.

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