Fused corundum refractory brick

Al₂O₃%                  ≥

93

SiO₂ %                  ≤

4

Fe₂O₃ %                 ≤

0.7

Bulk density g/cm³            

2.8-3.0

Apparent porosity %       ≤

18

Cold crushing strength Mpa ≥

100

0.2Mpa  R.U.L ℃T0.6     ≥

1700