Synthetic Manganese Dioxide (EMD)
Electrolytic Manganese Dioxide (EMD) is a high-purity synthetic form of manganese dioxide produced via electrolysis, used primarily as a cathode material in alkaline and zinc-carbon batteries. It falls under HTS 2820.10.00.00 as it is chemically defined manganese dioxide, distinct from natural ores. This powder form ensures consistent performance in dry cell batteries.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If natural mineral ore
Raw manganese ores containing manganese dioxide are classified under Chapter 26 as mineral products, not chemically defined compounds.
If chemically modified or mixed with additives for specific applications
Processed mixtures or preparations of manganese dioxide with organic binders fall under heading 3824 as chemical preparations, not pure inorganic oxides.
If chemically combined into complex salts
Complex manganates or permanganates (e.g., potassium permanganate) are classified in 2841 as per chapter notes, not simple oxides.
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Import Tips & Compliance
• Verify purity and chemical composition via lab analysis to confirm classification as synthetic manganese dioxide, avoiding misclassification as natural mineral products
• Obtain Material Safety Data Sheets (MSDS) and ensure packaging complies with UN regulations for oxidizers during transport
• Declare battery-grade specifications if applicable, as end-use documentation may be required for customs valuation
Related Products under HTS 2820.10.00.00
Battery Grade Manganese Dioxide Powder
High-purity manganese dioxide powder specifically formulated for use in primary battery cathodes, offering high discharge capacity and stability. Classified under HTS 2820.10.00.00 due to its chemical definition as MnO2 without other significant impurities. It is produced synthetically to meet rigorous electrochemical standards.
Activated Manganese Dioxide
Activated manganese dioxide is a porous form of MnO2 used as a catalyst in organic synthesis and water purification filters. It is classified in HTS 2820.10.00.00 as chemically defined manganese dioxide, activated through thermal or chemical treatment to increase surface area. This distinguishes it from natural pyrolusite.
Technical Grade Manganese Dioxide
Technical grade manganese dioxide is used in the production of ferrites, ceramics, and pigments, with moderate purity levels suitable for industrial applications. It is imported under HTS 2820.10.00.00 as a chemically defined inorganic oxide of manganese. Synthetic production ensures uniformity over natural variants.
Electrolytic Manganese Dioxide for Zinc-Carbon Batteries
Specialized electrolytic MnO2 optimized for zinc-carbon dry cells, providing reliable voltage and shelf life. Falls under HTS 2820.10.00.00 as pure manganese dioxide, produced electrolytically from manganese sulfate solutions. It meets battery industry standards for purity and reactivity.