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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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