Al 2 O 3 %

C%

bulk density (g/cm3)

apparent porosity (%)

comression strength at normal temperature (MPa)

refractoriness (℃)

remark

burned slideplate rick of aluminuium-carbon

≥ 68

≥ 6

≥ 2.7

≤ 7≤15（carbonation)

≥ 80≥65（carbonation)

≥ 1790

Q/MGB 523-95

unburned nozzle brick of aluminium-carbon

≥ 65

≥ 6

≥ 2.6

≤ 9≤15（carbonation)

≥ 1790

Q/MGB 523-95

burned slide-plate brick of high-alumina

≥ 65

≥ 2.45

≤ 7≤15（carbonation)

≥ 80≥65（carbonation)

≥ 1790

Q/MGB 523-95

burned nozzle brick of high-alumina

≥ 65

≥ 2.45

≤ 7≤15（carbonation)

≥ 1790

Q/MGB 523- 95