Electrolytic Manganese Dioxide

Chemical Formula: MnO2Molecular Weight: 86.94 Density: 5.026 g/cm3 Appearance: Black powder, soluble in acid, Insoluble in water and nitric acid,nonpoisonous Typical Analysis: ItemAlkaline Battery GradeZinc-Carbon GradeMnO291% min91% minMoisture1.2-2.0%1.2-2.0%D5035-40um20-25umD9088-105um55-60umFe90 ppm max90 ppm maxAl20ppm max20ppm maxCa350ppm max350ppm maxCu2 max2 maxPbNiCo5 ppm max5 ppm maxMo0.5ppm max0.8ppm maxAsSb0.5 ppm max0.5ppm maxV1ppm max1ppm maxK250ppm max250ppm maxInsoluble in HCL0.05% max0.1% maxSO42-1.3% max1.3% maxPH-USA6-86-8BET Surface Area25-35 m2/g30-40 m2/gApparent Density1.6-1.8 g/cm31.35-1.55 g/cm3 Alkaline Potential1.60-1.67V/-100 mesh99.5% min99.5% min-200 mesh85% min/-325 mesh60% min95% min