Pharmaceutical Zinc Dust USP Grade from China
Ultra-pure zinc dust meeting USP standards, produced via vapor condensation with >97% metallic zinc and particles 80%+ through 63-micron sieve, used in pharmaceutical ointments and topical preparations. Classified as zinc dust under HTS 7903.10.00.00 based on physical form and chapter notes.
Duty Rate — China → United States
35%
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 USP/EP certificate of analysis confirming metallic zinc and particle specs
• For FDA-regulated imports, file prior notice via ACE even for bulk intermediates
• Package in inert atmosphere to prevent oxidation, which could alter classification