Uvitex OB Fluorescent Brightener from China

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 — China → United States

41.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

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