The invention relates to a refractory composition comprising, by weight: (A) at least 70% of an aggregate based on refractory oxides, (B) from 7 to 25% of a matrix consisting of particles distributed between a fine fraction and an ultrafine fraction, and the details are in the description ; and (C) a total from 0 to 6% of one or more additives. Use in the glassmaking and metallurgical industries.

Title
Refractory compositions containing monoclinic zirconia and articles formed from compositions exhibiting improved mechanical strength at high temperatures and improved resistance to thermal shocks
Application Number
90103802
Publication Number
1047486
Application Date
May 25, 1990
Publication Date
December 5, 1990
Inventor
Jacques Schoennahl
Agent
HUANG ZEXIONG
Assignee
Savoie Refractaires
IPC
C04B 35/66
C04B 35/48
C04B 35/44
C04B 35/42