</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Electronics-Grade HeptaBDE Additive Mixture from Mexico

High-purity mixture of heptabromodiphenyl ether for circuit board laminate flame retardancy. Falls under 3824.88.00.00 due to specified brominated diphenyl ether content per chapter note 3. Critical for consumer electronics manufacturing.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Include bill of lading notations specifying UN1840 n.o.s. (flammable solid) or appropriate hazmat class

Maintain chain-of-custody records proving industrial end-use to avoid consumer product restrictions