13.64%(A) Tar-bonded dolomite ( 3 voters )
4.55%(B) Pitch-bonded magnesite ( 1 voter )
9.09%(C) Fired and pitch-impregnated magnesite ( 2 voters )
72.73%(D) Graphite-alumina composite ( 16 voters )
Based On 22 Votes
GATE MT 2011 Q4. Which one of the following refractory materials is NOT used in the BOF (LD) working lining?