Krypton-85 Leak Testing Apparatus from Japan
Sealed chamber system pressurizing Kr-85 gas to test vacuum vessel integrity for semiconductor equipment. HTS 9022.29.80.00 for beta-gamma leak detection apparatus in cleanroom manufacturing. Traceable to NIST.
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
• Sniffer probe sensitivity specs (10^-8 sccm) required
• Gas recovery system documentation prevents venting violations
• Class 1 laser safety if integrated with optical alignment