Black powder, soluble in acid, Insoluble in water and nitric acid, nonpoisonous

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 Typical Analysis:                      

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            max	2          max
Pb,Ni,Co	5 ppm       max	5 ppm      max
Mo	0.5ppm      max	0.8ppm    max
As,Sb	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
SO42-	1.3%           max	1.3%      max
PH-USA	6-8	6-8
BET Surface Area	25-35 m2/g	30-40 m2/g
Apparent Density	1.6-1.8 g/cm3	1.35-1.55 g/cm3
Alkaline Potential	1.60-1.67V	/
-100 mesh	99.5%       min	99.5%     min
-200 mesh	85%         min	/
-325 mesh	60%         min	95%       min

           Packing: 40/1000kg plastic woven bags with PE inner bagUses: 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.

Electrolytic Manganese Dioxide