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Zinc Thiosulfate Hydrate from China

Zinc thiosulfate hydrate (ZnS2O3·H2O) functions as a corrosion inhibitor in cooling water systems and in photographic developers. It is an 'other' thiosulfate under HTS 2832.30.5000.

Duty Rate — China → United States

40.6%

Rate breakdown

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)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Certify zinc levels for RoHS compliance; avoid plastic bags (use fiber drums); declare as non-hazardous if diluted

Zinc Thiosulfate Hydrate from China — Import Duty Rate | HTS 2832.30.50.00