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