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Uvitex OB Fluorescent Brightener from Mexico

Uvitex OB is a benzoxazole derivative synthetic fluorescent brightening agent widely used in PVC plastics, coatings, and synthetic fibers for UV protection and whitening. It is covered by HTS 3204.20.80.00 for other synthetic organic fluorescent agents functioning via fluorescence emission. Essential for high-end polymer applications requiring optical purity.

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

• Include heat stability data for plastic applications to differentiate from textile-only agents

• Comply with FDA indirect food contact regs if for packaging, with migration testing certificates

• Monitor particle size; micronized forms may require additional milling duty considerations