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OB Fluorescent Brightener for Plastics from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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