Manganese Dioxide Oxidation Catalyst from Japan

Electrolytic MnO2 used as depolarizer catalyst in alkaline batteries. Inorganic reaction accelerator under HTS 3815.90.3000.

Duty Rate — Japan → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Import Tips

Electrolytic vs chemical grade distinguished by tap density (>4.2g/cm³)

IEC/EN standards compliance for battery performance certification

Heavy metal impurities (<50ppm) testing required for battery safety