Gamma Manganese Dioxide for Zinc-Carbon Cells from Canada
Gamma-phase manganese dioxide powder tailored for zinc-carbon primary dry cells, common in budget household batteries. This form provides reliable performance in low-cost applications, classified in HTS 8506.10.00 for its role as primary battery cathode active material.
Duty Rate — Canada → United States
12.7%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify gamma crystal structure via XRD reports to distinguish from other MnO2 polymorphs
• Bulk shipments require proper ventilation declarations due to dust hazards
• Avoid generic labeling; specify 'zinc-carbon primary cell grade' to prevent reclassification