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Electrolytic
Manganese Dioxide
Chemical
Formula: MnO2
Molecular Weight:
86.94
Density: 5.026 g/cm3
Appearance: Black powder, soluble in acid, Insoluble in water and nitric
acid, nonpoisonous
Application:
The depolarize of battery, catalyst, oxidant, the coloring agent of glass
and enamel, discoloring agent, deferrization agent, the ferrite, , alloy,
manganese-iron casting part, gas mask. Mainly for manufacture of high
performance dry battery, alkaline-grade battery and Li-Mn battery and also
used in industries of glass electronics, magnetic materials, dye, medicine,
ceramic, water treatment, etc
|
Item |
Alkaline
Battery Grade |
Zinc-Carbon
Grade |
|
MnO2 |
91%
min |
91%
min |
|
Moisture |
1.2-2.0% |
1.2-2.0% |
|
D50 |
35-40um |
20-25um |
|
D90 |
88-105um |
55-60um |
|
Fe |
90 ppm
max |
90 ppm
max |
|
Al |
20ppm
max |
20ppm
max |
|
Ca |
350ppm
max |
350ppm
max |
|
Cu |
2 ppm
max |
2 ppm
max |
|
PbNiCo |
5 ppm
max |
5 ppm
max |
|
Mo |
0.5ppm
max |
0.8ppm
max |
|
AsSb |
0.5 ppm
max |
0.5ppm
max |
|
V |
1ppm
max |
1ppm
max |
|
K |
250ppm
max |
250ppm
max |
|
Insoluble
in HCL |
0.05%
max |
0.1%
max |
|
SO4
2- |
1.3%
max |
1.3%
max |
|
PH-USA |
6-8 |
6-8 |
|
BET Surface
Area |
25-35 m 2
/g |
30-40 m 2
/g |
|
Apparent
Density |
1.6-1.8
g/cm 3 |
1.35-1.55
g/cm 3 |
|
Alkaline
Potential |
1.60-1.67V |
/ |
|
-100 mesh |
99.5%
min |
99.5%
min |
|
-200 mesh |
85%
min |
/ |
|
-325 mesh |
60%
min |
95%
min |
|
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Kingstone Group All right reserved