Calcium Fluoride Lump from Mexico
Natural or synthetic calcium fluoride lumps (fluorspar) serve as raw material for HF production and steel fluxing. HTS 2826.19.90.00 covers this as other fluorides when chemically defined.
Duty Rate — Mexico → United States
13.9%
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
• Differentiate from crude fluorspar (2529.22); lab test for >97% CaF2 content
• Declare metallurgical vs acid grade to match correct statistical suffix
• Bulk shipments need proper ventilation to avoid moisture absorption