3204.20.80.00/Optiblanc Optical Brightener OB-1/Mexico

Optiblanc Optical Brightener OB-1 from Mexico

Optiblanc OB-1 is a stilbene-based synthetic fluorescent brightening agent applied in plastic compounding and polyester fiber production to impart a bright white appearance. Classified under HTS 3204.20.80.00 for other synthetic organic fluorescent brightening agents used across industries like plastics and synthetics. It converts UV to visible blue light for optical enhancement.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

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

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Import Tips

• Provide masterbatch formulation details to distinguish from plastic colorants in Chapter 32, ensuring proper HTS placement

• Label with CAS number (e.g

• 1533-45-5) and concentration to comply with TSCA import requirements for chemical substances

• Avoid bulk packaging over retail limits to prevent reclassification as industrial preparations under 3824