Krypton-85 Industrial Tracer from Japan
Low-activity krypton-85 gas in steel cylinders used for leak detection in industrial systems and oil well logging. Falls under HTS 2804.29.00 as chemically defined rare gas below radioactive classification thresholds. Sealed system prevents personnel exposure.
Duty Rate — Japan → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide specific activity documentation (<74 Bq/g); comply with IAEA transport regulations; common mistake is declaring as pure krypton without isotope disclosure