Injection Molding Polystyrene IMP 350 from China

IMP 350 polystyrene is high-flow resin for precision injection molding, styrene >95% by weight in primary pellet form. Classifies HTS 3903.90.5000 'Other' per note (a)(1), used in medical device components.

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 mold shrinkage data to support material specs for CBP verification

Ensure FDA compliance labeling if for food/medical contact