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Thiourea-Formaldehyde Resin from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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

Thiourea-Formaldehyde Resin from Japan — Import Duty Rate | HTS 3909.39.00.00