Zinc Chromate Hydrate from Japan
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 — 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 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