High-Purity Quartz Chunks from Mexico
Selected quartz chunks with over 99.9% SiO2 purity, minimally processed for electronics industry feedstock. HTS 2506.10.00 covers this as unworked quartz other than sands. Essential raw material for semiconductor-grade silicon.
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
• Include purity lab certificates; declare exact SiO2 content to justify classification
• Pitfall: contamination claims can trigger 2508 if deemed mineral mixtures