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Item

            Index

JM98

JM99

JM995

JM999

Manganese monoxide(%)

98.0

99.0

99.5

99.9

Mn(%)

≥75.5

≥76

≥77

≥77.2

     H2O(%)

≤0.3

≤0.2

≤0.2

≤0.1

    Mg(%)

≤0.003

≤0.002

≤0.002

≤0.002

     Na(%)

≤0.5

≤0.01

≤0.01

≤0.01

    Pb(%)

≤0.005

≤0.005

≤0.002

≤0.002

    Ca(%)

≤0.005

≤0.002

≤0.002

≤0.002

    As(%)

≤0.005

≤0.002

≤0.002

≤0.002

     Fe(%)

Type I < 0.003

≤0.002

0.003≤TypeII< 0.2

     Mesh

80~300

80~300

80~300

80~300