Acetal Copolymer Tubing from China

POM acetal copolymer tubing for precision fluid handling in machinery. HTS 3917.32.00 as unreinforced plastic hose, no combinations or fittings. Copolymer classified by predominant formaldehyde unit.

Duty Rate — China → United States

38.1%

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

Monomer analysis per note (a)(4) essential for copolymer verification

Dimensional tolerances docs prevent 'parts' misclassification

Homopolymer vs copolymer distinction affects exact subheading