Polyetherimide Resin Granules from China
Polyetherimide (PEI) granules like Ultem are aromatic polyethers in primary form under HTS 3907.29.00.00, with imide-ether structures meeting the 95% polyether monomer requirement. Ideal for aerospace and high-temp electronics.
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 GPC chromatograms showing molecular weight distribution for polymer status
• Avoid set packaging with fittings; 3917 duties apply only with attached components
• Label clearly as industrial resin to dodge household article exclusions in 3924