Research-Grade Barium Chunks from China
Irregular chunks of 99.99% pure barium for laboratory research and small-scale alloying. HTS 2805.19.20.00 covers this high-purity elemental alkaline-earth metal. Supplied in argon-filled ampoules.
Duty Rate — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• For academic imports, attach institutional purchase orders and lab safety protocols
• Ampoule packaging must be documented to prove against oxidation
• Avoid bulk classification errors; chunks under 2.5g per Chapter Note stay in 2805