Item: MAJ
W (MgO) /% ≥ 85
W (Al₂O₃) /% ≥ 9~13
W (SiO₂) /% ≤ 1.0
W (Fe₂O₃) /% ≤ 0.8
A.P./% ≤ 18
B.D. (g/cm³) ≥ 2.95
C.C.S. /MPa ≥ 50
0.2MPa RUL TO.6℃ ≥ 1700
Air 950℃ T.R. ≥ 100
T.E. (1400℃) 1.2