Manganese Dioxide (MnO2) Powder
High-purity manganese dioxide powder used in the production of dry-cell batteries like alkaline and zinc-carbon types. It falls under HTS 2820.90.00.00 as an 'other' manganese oxide, chemically defined as a metal oxide in Chapter 28. This inorganic compound serves as a depolarizer in battery cathodes.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If chemically treated for pigment or ceramic use
Vanadates or treated manganese compounds may shift to Chapter 28 vanadates if modified beyond simple oxide form.
If processed into artificial graphite for electrodes
Doped or further processed manganese oxides used in graphite production fall under heading 3801 per Chapter 28 exclusions.
If imported as a prepared chemical mixture or additive
Mixtures containing manganese oxides not meeting 'chemically defined' criteria are classified as chemical preparations in 3824.
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Import Tips & Compliance
• Verify purity levels and chemical composition via lab certification to confirm classification as chemically defined under Chapter 28 notes
• Include Safety Data Sheets (SDS) and battery-grade specifications in documentation to avoid misclassification as a waste or mixture
• Check for REACH-like restrictions on manganese compounds; ensure proper hazardous material labeling for powder shipments
Related Products under HTS 2820.90.00.00
Electrolytic Manganese Dioxide (EMD)
Electrolytic manganese dioxide (EMD), a high-purity form produced via electrolysis, primarily for lithium-ion and alkaline battery cathodes. Classified under HTS 2820.90.00.00 as other manganese oxides, it is a chemically defined inorganic compound per Chapter 28 Note 1. Its gamma crystal structure enhances battery performance.
Synthetic Manganese(IV) Oxide for Ceramics
Synthetic MnO2 used as a colorant and flux in ceramic glazes and tiles, providing black-brown hues. It is classified in HTS 2820.90.00.00 as other manganese oxides, fitting Chapter 28 for inorganic metal oxides. Not excluded as a luminophore or glass frit per chapter notes.
Manganese Oxide Nanoparticles
Nano-sized manganese dioxide particles (<100nm) for catalysts in chemical reactions and water treatment. Falls under HTS 2820.90.00.00 as other manganese oxides, chemically defined despite nanoscale form. Used in advanced oxidation processes for pollutant degradation.
Trimanganese Tetraoxide (Mn3O4) Powder
Mn3O4, or trimanganese tetraoxide, used in ferrites for magnetic applications and as a sintering aid. Classified under HTS 2820.90.00.00 as other manganese oxides, a mixed-valence inorganic compound in Chapter 28. Provides magnetic properties in soft ferrites.