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Polystyrene Rigid Sheet from China

A noncellular, rigid sheet made from polystyrene polymer, used for signage and display fabrication. It falls under HTS 3920.30.00.00 as it is a plate, sheet, or strip of polymers of styrene, not reinforced or laminated with other materials. The polystyrene content exceeds 95% by weight, meeting the chapter's polymer classification rules.

Duty Rate — China → United States

43.3%

Rate breakdown

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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Verify polystyrene monomer content is at least 95% by weight via lab testing to confirm classification under polymers of styrene

Ensure declaration specifies 'noncellular and not reinforced' to avoid misclassification into laminated categories