Krypton-85 Leak Testing Apparatus from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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