FRITTE REFRACTORY PRODUCT HAVING IMPROVED THERMAL SHOCK RESISTANCE.

摘要

Sintered refractory product having the following average chemical analysis, in percentages by weight on the basis of the oxides: 20% AL2O3 90% 2% SIO2 30% 3% ZRO2 50% 0% = CR2O3 50% The product according to the invention is remarkable in that it comprises from 17 to 85% by weight of mullite-zirconia grains.