Bulk Lump Sulfur from Mines from Mexico
Irregular lumps of native sulfur mined from surface outcrops, typically 99% pure with rock inclusions. Classified in HTS 2503.00.00.90 as other crude sulfur not meeting sublimed or precipitated definitions.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Submit mine assay reports showing natural impurities to confirm crude status
• Use bulk shipping manifests; repackaged retail sulfur risks chemical preparation codes
• Monitor for moisture content that could lead to misclassification as agglomerated