Ultrahigh Vacuum Gate Valve Repair Seals from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Certify seals meet UHV specifications; document parent instrument admission; ensure repair doesn't constitute instrument reconstruction requiring re-application