Active 90 MgO:90%Min LOI:4%Max SiO2:2%Max CaO:3%MaxFe2O3:0.7%MaxAl2O3:0.5%Max Activly:40-80
Active 92 MgO:92%Min LOI:3%Max SiO2:2%Max CaO:2%MaxFe2O3:0.65%Max Al2O3:0.5%Max Activly:40-80
Passing Rate: 95%min
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