Battery-Grade Chemical Manganese Dioxide from Canada
Chemical manganese dioxide (CMD) in granular form, produced via chemical processes for use in zinc-carbon primary batteries such as D-cell flashlight batteries. Classified under HTS 8506.10.00 due to its designation for primary cell cathodes, offering cost-effective performance for low-drain applications.
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
• Provide supplier specs confirming CMD type (e.g
• gamma-MnO2) and particle size for battery compatibility
• Ensure packaging labels indicate 'for primary batteries' to prevent scrutiny under general chemical headings
• Watch for contamination issues; impure lots may be rejected or reclassified, delaying clearance