OB Fluorescent Brightener for Plastics from Canada
OB-type benzoxazol fluorescent brightener is added to polystyrene, PVC, and ABS plastics to achieve high whiteness and brightness. HTS 3204.20.40.00 covers this synthetic organic product used as a luminophore in polymer compounding. It prevents yellowness in transparent and opaque plastic products.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include CAS number (typically 1533-45-5 for OB-1) in import docs for customs verification
• Test for solvent content; solutions with >50% solvent may shift to 3208 per chapter notes