Zinc Chromate Hydrate from China
Hydrated zinc chromate (ZnCrO4·3.5H2O) is a standard corrosion-inhibiting pigment for galvanized steel primers. It is a chemically defined zinc chromate under HTS 2841.90.4500, distinguished from oxides by chromate anion structure. Imported in moisture-proof bags as yellow crystals.
Duty Rate — China → United States
38.7%
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 water content specs (<1% free moisture) to prevent reclassification as solution (Chapter 28 exclusions)
• Certify RoHS exemption for chromate use in industrial coatings
• Use ISPM-15 compliant pallets; chromate dust poses phytosanitary risks