Zinc Sulfide Lithopone Grade B from Mexico
Industrial grade lithopone (zinc sulfide 28-30% with barium sulfate) for white interior paints and powder coatings. Falls under HTS 3206.42.00.00 as a zinc sulfide-based pigment preparation per chapter definitions. Excluded are pure compounds, but this is a formulated coloring matter.
Duty Rate — Mexico → United States
12.2%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Use supplier invoices specifying lithopone type and zinc sulfide percentage to support tariff shift
• Watch for contamination claims; ensure purity >97% to avoid Chapter 28 downgrade
• File prior notice via ACE for bulk chemical imports