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Ultrahigh Vacuum Gate Valve Repair Seals from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

Certify seals meet UHV specifications; document parent instrument admission; ensure repair doesn't constitute instrument reconstruction requiring re-application