Flame-Retardant Brominated Epoxy Resin from Mexico
Brominated bisphenol A epoxy resin (e.g., TBBPA-based) with inherent flame retardancy for PCB laminates, classified HTS 3907.30.00.00 as chemically modified epoxide resins per note (a)(3).
Duty Rate — Mexico → United States
16.1%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include bromine content analysis (20-30%) confirming modification doesn't alter base epoxide classification
• Comply with TSCA import certification for brominated flame retardants
• Avoid bulk shipments mixed with fillers, which become 3824 articles