Ultrahigh Vacuum Gate Valve Repair Seals from China
Beryllium-copper alloy UHV gate valve seals for surface science instruments like XPS systems. Repair components for 9810.00.60-admitted UHV chambers in materials research at universities.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify seals meet UHV specifications; document parent instrument admission; ensure repair doesn't constitute instrument reconstruction requiring re-application