Sealed Cobalt-60 Calibration Source from China
Low-activity sealed disc of cobalt-60 used to calibrate radiation detectors and survey meters in laboratory settings. Falls under HTS 2844.43.00.10 for its pure cobalt-60 isotopic content meeting Chapter 28's chemically defined radioactive compound criteria. Not for therapeutic use.
Duty Rate — China → United States
37.5%
Rate breakdown
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Provide instrument calibration certificate; ensure <Type A> quantity limits for simpler transport
• Common issue: Incorrectly classifying as non-radioactive lab supply