Item: MAC-A
W (MgO) /% ≥ 80
W (Al₂O₃) /% ≥ 8
W (SiO₂) /% ≤ 1.5
W (Cr₂O₃) /% ≤ 3~5
A.P./% ≤ 17
B.D. (g/cm³) ≥ 3.00
C.C.S. /MPa ≥ 50
0.2MPa RUL TO.6℃ ≥ 1700
Air 950℃ ≥ T.R. 100
T.C. (1000℃) W/(m·k) ≤ 2.9
T.E. (1400℃)% 1.5
Item: MAC-B
W (MgO) /% ≥ 75
W (Al₂O₃) /% ≥ 8
W (SiO₂) /% ≤ 2.5
W (Cr₂O₃) /% ≤ 3~5
A.P./% ≤ 18
B.D. (g/cm³) ≥ 2.95
C.C.S. /MPa ≥ 50
0.2MPa RUL TO.6℃ ≥ 1650
Air 950℃ ≥ T.R. 80
T.C. (1000℃) W/(m·k) ≤ 2.9