Leucophor BCF Optical Brightener 32 from Mexico
Leucophor BCF is the trade name for Fluorescent brightening agent 32 under HTS 3204.20.10.00, optimized for synthetic fiber whitening. This water-soluble stilbene compound prevents graying in polyester and polyamide textiles during laundering. Meets precise tariff definition excluding chemically pure compounds per chapter note (a).
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document substantivity to cellulosic vs. synthetic fibers for correct end-use declaration; use UN-approved packaging for powder form
• Pitfall: declaring as 'dye' triggers different Chapter 32 rates