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
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• SiO2 assay >98% required; lump size declaration
• Pitfall: powder form to 2811