Specification

SUPER GRADE

GRADE NO.1

GRADE STANDARD

WHITENSS%≥

95

90

88

SIO2%≥

61

58

55

MGO%≥

31

30

30

CAO%≤

0.45

1.00

1.50

FE2O3%≤

0.30

0.40

0.50

AL2O3%≤

0.20

0.30

0.30

L.O.I.% ≤

6.00

8.00

10.00

VOLUME DENSITY

LOOSE DENSITY

0.45

0.55

0.65

TIGHT DENSITY

0.90

0.95

0.10

MOISTURE%≤

0.5

0.5

1.00

PASSING THROUGH 45μm %≥

98-99.8

99.5

98.5