Volcanic Sulfur Crystals from Mexico
Bright yellow crystalline sulfur formed around volcanic fumaroles, hand-collected with minimal processing. Classified in HTS 2503.00.00 as crude natural sulfur excluding the prohibited sublimed, precipitated, and colloidal forms.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include photos or affidavits of volcanic origin to support crude classification
• Declare any adhering volcanic ash separately to prevent mixed-material disputes