MgO:99.02%Min SiO2:0. 19%Max CaO:0.40%Max Fe2O3:0.40%Max Al2O3:0.05%Max lgL:0.05%Max B.D.:3.50g/cm3
MgO:98.51%Min SiO2:0.30%Max CaO:0.71%Max Fe2O3:0.71%Max Al2O3:0.07%Max lgL:0.07%Max B.D.:3.50g/cm3
MgO:98. 10%Min SiO2:0.40%Max CaO:0.90%Max Fe2O3:0.90%Max Al2O3:0. 10%Max
lgL:0. 10%Max B.D.:3.50g/cm3
MgO:97.80%Min SiO2:0.48%Max CaO:1.02%Max Fe2O3:1.02%Max Al2O3:0. 12%Max
lgL:0. 12%Max B.D.:3.50g/cm3
MgO:97.51%Min SiO2:0.50%Max CaO:1.20%Max Fe2O3:1.20%Max Al2O3:0. 13%Max
lgL:0. 13%Max B.D.:3.50g/cm3
MgO:97. 15%Min SiO2:0.60%Max CaO:1.90%Max Fe2O3:1.90%Max Al2O3:0.20%Max lgL:0.20%Max B.D.:3.50g/cm3
Size: 0-30/0-60mm 90%min