Sintered corundum refractory brick

Al₂O₃%                  ≥

90

SiO₂ %                  ≤

8

Fe₂O₃ %                 ≤

0.2

Bulk density g/cm³            ≥

3

Apparent porosity %       ≤

18

Cold crushing strength Mpa ≥

100

0.2Mpa  R.U.L ℃T0.6     ≥

1700