Refractory ball

Refractory ball is mainly applied as the packing in the high temperature smelting converters. It contains higher content of alumina, and it is capable of resisting high temperature.

Product/Index Percentage of Alu. (AL2O3) Refractoriness (℃) 0.2MPa refractoriness under load porosity Reburning shrinkage (1450℃,2h)% Porosity (%) Crushing pressure under normal temperature (Mpa) High Alu. Refractory ball =23-85% =1700 =1500℃ +0.0,-0.4 =24 =49 Adhesive mud refractory ball =30-60% =1450 =1350℃ +0.0,-0.3 =24 =29.4