Native Crude Sulfur Ore from Mexico
Raw sulfur extracted directly from volcanic deposits or caprock formations, containing impurities like soil and rock. Classified under HTS 2503.00.0010 as crude or unrefined sulfur, excluding sublimed, precipitated, or colloidal forms per Chapter 25 notes.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Verify sulfur content via assay certificates to confirm crude status and avoid reclassification to refined sulfur (2802)
• Provide geological source documentation, as native sulfur from specific mines may qualify for preferential tariffs