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
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
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
Import Tips
• Provide instrument calibration certificate; ensure <Type A> quantity limits for simpler transport
• Common issue: Incorrectly classifying as non-radioactive lab supply