牌号

     Grade

  GD-0.8

Al2O3%   ≥

57

Fe2O3%  ≤

1.8

体积密度（g/m³）   The volume density (g/m fand)

0.8

常温耐压强度Mpa  ≥  The compressive strength of Mpa at room temperature  ≥

4

重烧线变化不大于2%（℃XH)Line change heavy firing is not greater than 2% (C XH)

1400X12

热震稳定性，次（1100℃，水冷） The thermal shock stability, time (1100 DEG C, cooled)

20

导热系数（W/m.k）  The coefficient of thermal conductivity (W/m.k)

0.23