Manganese Dioxide Oxidation Catalyst from Mexico
Electrolytic MnO2 used as depolarizer catalyst in alkaline batteries. Inorganic reaction accelerator under HTS 3815.90.3000.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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