Pressure Regulator Valve for Float Zone Crystal Puller from Mexico
Self-operating valve maintains inert gas pressure in float zone crystal pullers for high-purity silicon production. HTS 8481.80.9015 classification for pressure control in semiconductor crystal growing equipment using float zone method. Prevents contamination during monocrystalline boule formation.
Duty Rate — Mexico → United States
12%
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
• Certify compatibility with argon/hydrogen mixtures used in float zone processes
• Demonstrate self-operation via no-external-power requirement in technical data sheets