Specification

SUPER GRADE

GRADE NO.1

STANDARD GRADE

WHITENSS%≥

95.0

93

90

45μm PASSING≥

99.9%

0.4

0.5

PARTICLE ACCUMULATED ERCENTAGE

min20μm90%

80%

70%

min10μm60%

45%

40%

min5μm30%

25%

20%

MOISTURE

0.5-1.0%

OIL ABSORPTION

20.0-50.0%

L.O.I.(1000°C) ≤

7.00%

9.00%

28.00%

PH

8.0--10.0