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Cross-Linked Polyolefin Foam Sheets from China

Chemically cross-linked cellular polyolefin foam sheets used for insulation and gaskets, classified in 'Other' per subheading note (a)(3) for chemically modified polymers. Under HTS 3921.19.00 as cellular sheets of other plastics. Provides superior durability and flexibility.

Duty Rate — China → United States

44%

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

Document chemical modification process to support 'Other' classification under subheading note (a)(3)

Ensure declaration specifies 'cellular' density tests to distinguish from solid polyolefin sheets

Watch for bulk packaging; retail-packed sheets under 38.1cm width may get Free (B) but verify per US note