Thiourea-Formaldehyde Resin from China

Thiourea-formaldehyde resin, a primary form amino-resin with thiourea and formaldehyde monomers over 95% by weight, is used in specialty adhesives and molding compounds. Classified in HTS 3909.39.00.00 as 'Other' amino-resins lacking a specific subheading.

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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Import Tips

Conduct FTIR spectroscopy to prove monomer predominance per Chapter 39 notes; label as 'primary form' distinctly from compounded products; check for free trade agreement eligibility under 'C' rates