X-Ray Tube Vacuum Seal Assembly from Japan
High-vacuum ceramic-metal seal maintaining X-ray tube internal vacuum integrity against cathode-anode differential pressures. Designed for CT scanner replacement service. Classifies as HTS 9022.90.40.00 X-ray tube accessory.
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
• Include helium leak rate certifications (<10^-9 atm cc/sec); specify material compatibility (Kovar/ceramic); segregate from generic vacuum components