Crude Native Sulfur Ore from Canada
Raw sulfur extracted from natural volcanic deposits or caprock formations, containing impurities like dirt and moisture. Classified under HTS 2503.00.00.90 as unrefined sulfur of natural origin, excluding sublimed, precipitated, or colloidal forms per Chapter 25 exclusions.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Verify purity levels below 99.5% to confirm crude status; refined sulfur may shift to other codes
• Provide geological origin certificates to distinguish from precipitated sulfur excluded in heading 2802
• Ensure bulk packaging documentation avoids misclassification as sublimed sulfur