Vitreous silica-based plastic refractory

Details Vitreous silica-based plastic refractory Vitreous silica-based plastic refractory

1993-07-26

1994-08-23

Group, Karl

Compositions: ceramic

Ceramic compositions

Refractory

501128, 501130, 501142, C04B 3514

Patent

active

053407822

ABSTRACT:
A vitreous silica-based plastic refractory comprising at least 50 wt. % vitreous silica having a purity of at least 99% silica, a refractory plasticizer, and a bonding system containing an alpha alumina-containing alumina capable of reacting with phosphoric acid to form an aluminum phosphate bond and phosphoric acid.

REFERENCES:
patent: Re33366 (1990-10-01), Barrall
patent: 3303034 (1967-02-01), Troell et al.
patent: 4162179 (1979-07-01), Campana
patent: 4212680 (1980-07-01), Schulz
patent: 4331773 (1982-05-01), Hongo et al.
patent: 4440856 (1984-04-01), Salazar
patent: 4656146 (1987-04-01), Schlett et al.
patent: 4687752 (1987-08-01), Peters
patent: 4874726 (1989-10-01), Kleeb et al.
patent: 4992397 (1991-02-01), Hughes, Jr.

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