Electrolytic Manganese Dioxide — EMD
Chemical Formula: MnO2
Molecular Weight: 86.94
Density: 4.1-4.5 g/cm3
Molecular Weight: 86.94
Density: 4.1-4.5 g/cm3
Appearance: Black powder, insoluble in water, Non-poisonous
Typical Analysis:
|
Item
|
Zinc-Carbon Battery Grade
|
Alkaline Battery Grade
|
|
MnO2
|
91% min.
|
91% min.
|
|
Moisture
|
2.0% max.
|
1.0% - 2.0%
|
|
Insoluble in HCl
|
0.1% max.
|
0.1% max.
|
|
SO42-
|
1.4% max.
|
1.3% max.
|
|
NH4+
|
|
25ppm max.
|
|
Fe
|
90ppm max.
|
90ppm max.
|
|
Cu
|
2ppm max.
|
2ppm max.
|
|
Co
|
5ppm max.
|
5ppm max.
|
|
Ni
|
5ppm max.
|
5ppm max.
|
|
Pb
|
5ppm max.
|
5ppm max.
|
|
Mo
|
1ppm max.
|
1ppm max.
|
|
K
|
0.05% max.
|
0.02% max.
|
|
* PH(USA)
|
5.5 - 7.2 7.5 - 8.5
|
6.0±1.0
|
|
* PH(JIS)
|
4.4±0.5
|
3.4±0.5
|
|
Apparent Density
|
1.35 - 1.6g/cm3
|
1.5 - 1.7g/cm3
|
|
* - 100 mesh
|
99.5% min.
|
99.5% min.
|
|
* - 200 mesh
|
95% min.
|
80% min.
|
|
* - 325 mesh
|
90% min.
|
60% min.
|
|
* - these items can be adjusted according to consumer’s different requirement
|
||
Packing:40/1000kg plastic woven bags with PE inner
Uses:Mainly for manufacture of high performance dry batteries and used in industries of glass electronics, chemistry, water treatment.
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