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Manganese

2009

A. Manganese Dioxide:a.The specification of natural Manganese Dioxide
MnO2     75% Ni    0.53% Fe    26% Co  0.33% P   20.5%
Cr    0.05% SiO2  8-10% Al2O3  3.5%  
B. EMD (Electrolytic Manganese Dioxide) SPECIFICATIONST
Note:Specifications can be negotiated according to the specific requirement of customers.Our EMD are widely use by battery manufacturers all over the world.
Type Carbon zinc battary Grade Allaline Batteries Grade Ferrite Grade
  Normal size super fine Normal size super fine  
MnO2³ 90% 90% 91% 91% 90%
H2O(110℃ )³ 3.0% 3.0% 2.0% 2.0% 3.0%
Fe≤PPM 300 300 200 200  
Cu≤PPM 10 10 5 5  
Pb≤PPM 10 10 5 5  
Ni≤PPM 20 20 5 5  
k≤PPM     500 500  
NH4+PPM     20 20  
SiO2≤%       1.0 3.0
Alkali and Alkali Earth Metals     2.0%≤ 2.0%≤
Cl       0.01%≤ 0.01%≤
SO4² 1.3%≤ 1.3%≤ 1.3%≤ 1.3%≤  
PH
5-7 or 7.5-8.5
5-7 or 7.5-8.5
 

Manganese

2009

c.Activating Manganese Dioxide : Chemical and physical characteristics(tested in 20%NH4Cl solution ,90 for 1h)
Contents Specification
H2O ≤4%
MnO2 ≥78%
Fe(dissolvable) ≤0.01%
Heavy metal(dissolvable,account as Pb) ≤0.005%
pH(H2O) 5-7
Tap density ≥1.8g/cm³
Particle size -75microns≥90%+150microns≤3%

Manganese

2009

Discharge Characteristics    
contents specifications Specifications ZBG13001-86(forEMD)
open circuit Voltage ≥1.70v ≥1.68v
2ΩContinuous discharge ≥170min ≥170min
3.9ΩContinuous discharge ≥400min ≥400min
3.9ΩIntermittent discharge ≥700min ≥730min

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