Crystal Puller Rotary Mechanical Seal from Mexico
Mechanical seal for Czochralski crystal puller rotation mechanisms in silicon boule production. HTS 8484.20.00.00 per statistical notes for semiconductor crystal growers. Withstands high vacuum and temperature cycles.
Duty Rate — Mexico → United States
13.9%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Cite Czochralski/float zone process in end-use statement
• Vacuum integrity test certificates needed
• Monocrystalline silicon compatibility declaration