Diallyl Isophthalate Resin Granules from China
Unsaturated polyester resin based on diallyl isophthalate in granular primary form for high-performance composites. Falls under HTS 3907.91.4000 as 'other' allyl resins due to allyl ester structure and >95% qualifying monomer content. Used in aerospace and automotive parts molding.
Duty Rate — China → United States
40.8%
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
• Submit detailed polymer spec sheets showing allyl monomer dominance; use ISO-certified testing
• Avoid bulk bags over 25kg if mislabeled as articles
• Common pitfall: reclassification if fillers exceed 5% by weight