Stainless Steel Plug Valve for Crystal Grinder Vacuum Lines from Mexico
Steel plug component for hand-operated valves isolating vacuum in crystal grinders shaping semiconductor boule flats for conductivity indication. HTS 8481.90.3000 for such precision steel parts. Vital for resistivity control.
Duty Rate — Mexico → United States
15%
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
• Vacuum bake-out certification required; OEM interchangeability proof; avoid lab equipment classification