High-Purity Quartz Chunks from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include purity lab certificates; declare exact SiO2 content to justify classification
• Pitfall: contamination claims can trigger 2508 if deemed mineral mixtures