牌号                                 指标

JH-TCB-MY

  Al2O3,  %                                                 ≥

85

  Fe2O3,  %,                                               ≥

0.8

 显气孔率,  %                                         ≤

18

 体积密度,  g/cm³                                 ≥

3.05

 耐压强度,  MPa                                    ≥

60

  0.2Mpa耐火度,   ℃              ≥

1650