46-48 % 48-50%

S < 3

89%

37 % - 42% Mn min

76-90%

含铁量低，越低越好

Al2O3->86%, SiO2-4%-7%, TiO2-4,%<, Fe2O3-2,5%<, K2O-1,5% <, P-0,04%<, S-0,02%<, C-0,06%<

Al?O? 50%+, all specifications are catered.

Al2O3-72%, Fe2O3-3.50%,B.D.-3gm/cc, A.P.-14%

Al2O3 53%, SiO2 7%