Appearance : white powder
Specification:
Excellent grade
MgO %≥ --------------------------------------97.5
CaO%≤ -----------------------------------------1
HCl Insoluble %≤ -----------------------------0.1
L. O.I%≤ ----------------------------------------3.5
Sulfate %≤ ------------------------------------0.2
Chloride %≤ ---------------------------------0.07
Fe %≤ -----------------------------------------0.05
Mn %≤ ---------------------------------------0.003
Density g/ml %≤ ------------------------------0.2
Weight of screen residue (150 μ m) %---0.03
First grade
MgO %≥ ---------------------------------------95
CaO%≤ -----------------------------------------1
HCl Insoluble %≤ -----------------------------0.1
L. O.I%≤ ---------------------------------------3.5
Sulfate %≤ ------------------------------------0.2
Chloride %≤ --------------------------------0.07
Fe %≤ -----------------------------------------0.05
Mn %≤ --------------------------------------0.003
Density g/ml %≤ ------------------------------0.2
Weight of screen residue (150 μ m) %≤ --0.03
Second Grade
MgO %≥ ---------------------------------------93
CaO%≤ ----------------------------------------1.5
HCl Insoluble %≤ ----------------------------0.2
L. O.I%≤ ---------------------------------------5
Sulfate %≤ ----------------------------------0.3
Chloride %≤ --------------------------------0.1
Fe %≤ -----------------------------------------0.06
Mn %≤ ---------------------------------------0.010
Density g/ml %≤ ------------------------------0.2
Weight of screen residue (150 μ m) %≤ ---0.05
Third Grade
MgO %≥ ---------------------------------------92
CaO%≤ ------------------------------------------2
L. O.I%≤ ----------------------------------------5.5
Chloride %≤ ----------------------------------0.15
Fe %≤ -------------------------------------------0.1
Density g/ml %≤ ----------------------------0.25
Weight of screen residue (150 μ m) %≤ ---0.2