Cellular PVC Marine Flotation Board from China

Buoyant foam sheets of cellular PVC used in boat flotation compartments and dock bumpers. HTS 3921.12.5000 covers these as other cellular sheets of vinyl chloride polymers, with closed-cell structure preventing water absorption.

Duty Rate — China → United States

41.5%

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

Provide buoyancy certification and cell structure analysis to support marine classification

Document ≥95% PVC monomer content to avoid copolymer reclassification

Separate from finished boat parts to maintain sheet classification