Industrial Lead-Acrylic Beta Particle Window from Canada
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 — Canada → United States
10%
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
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