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3815.90.30.00/Manganese Dioxide Oxidation Catalyst/Canada

Manganese Dioxide Oxidation Catalyst from Canada

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

Duty Rate — Canada → United States

10%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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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