High-Purity Silicon Tetrachloride Distiller from Mexico
Rectifying column producing semiconductor-grade SiCl4 for polysilicon deposition via fractional distillation of metallurgical silicon. Borderline HTS 8419.40.00 vs statistical notes, but qualifies as general distillation plant.
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
• Purity specs (99.999%) distinguish semiconductor use
• Carefully differentiate from Chapter 84 statistical notes for wafers
• Corrosive gas handling (HF resistance) certifications required