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
9903.03.0110%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
• Purity specs (99.999%) distinguish semiconductor use
• Carefully differentiate from Chapter 84 statistical notes for wafers
• Corrosive gas handling (HF resistance) certifications required