High zirconia fused cast refractory

Details High zirconia fused cast refractory High zirconia fused cast refractory

1990-11-23

1992-02-04

Bell, Mark L.

Compositions: ceramic

Ceramic compositions

Refractory

501103, C04B 3548

Patent

active

050860208

ABSTRACT:
A high zirconia fused cast refractory having excellent thermal cycle resistance which comprises, as chemical components of the refractory, from 90 to 95% by weight of ZrO.sub.2, from 3.5 to 7% by weight of SiO.sub.2 and from 1 to 3% by weight of Al.sub.2 O.sub.3 and which does not substantially contain any one of P.sub.2 O.sub.5, B.sub.2 O.sub.3 and CuO.

REFERENCES:
patent: 3632359 (1972-01-01), Alper et al.
patent: 5023218 (1991-06-01), Zanoli et al.

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