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2841.90.45.00/Zinc Tetrahydroxochromate/Mexico

Zinc Tetrahydroxochromate from Mexico

Zinc tetrahydroxychromate (III), a complex zinc chromate used in passivating treatments for aluminum. Chemically defined as zinc chromate derivative under HTS 2841.90.4500. Provided as stable powder for metal pretreatment baths.

Duty Rate — Mexico → United States

13.7%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Distinguish Cr(III) vs Cr(VI) valence in SDS to address toxicity differences

• Validate against Note 1 Chapter 28 for 'chemically defined' status