Silica Quartz Lumps from Mexico
High-silica quartz lumps for ferrosilicon production in metallurgy. 2506.10.00 as quartz other than sands. Key metallurgical flux material.
Duty Rate — Mexico → United States
10%
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
• SiO2 assay >98% required; lump size declaration
• Pitfall: powder form to 2811