Industrial Lead-Acrylic Beta Particle Window from China
Transparent acrylic sheet containing 30% or more lead by weight, used in hot cells for beta radiation viewing ports. Its noncellular, unsupported structure and acrylic base qualify it for HTS 3920.59.4000.
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
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
Import Tips
• Include end-use statements specifying industrial radiation applications for duty preference claims
• Test for compliance with ASTM standards on lead equivalence and light transmission
• Separate from frames during import to maintain 'sheet' classification