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

35%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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