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