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2503.00.00/Recovered Sulfur from Sour Gas/Mexico

Recovered Sulfur from Sour Gas from Mexico

Elemental sulfur recovered as a byproduct from natural gas desulfurization plants via Claus process, in flake or prill form. Falls under 2503.00.00 as it remains unprocessed natural sulfur, not sublimed or colloidal.

Duty Rate — Mexico → United States

0%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))
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Import Tips

• Provide gas processing recovery certificates to affirm natural sulfur status

• Ensure flake size specs match unrefined criteria to avoid advanced processing claims

Recovered Sulfur from Sour Gas from Mexico — Import Duty Rate | HTS 2503.00.00