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2509.00.10.00/High-Purity Chalk Quarry Run/Mexico

High-Purity Chalk Quarry Run from Mexico

Unscreened quarry run of high-purity natural chalk, direct from blasting operations, for pharmaceutical and food-grade processing. Strictly crude under HTS 2509.00.10.00, with no washing or sizing applied. Meets standards for further refinement into USP-grade calcium carbonate.

Duty Rate — Mexico → United States

10%

Rate breakdown

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

• Secure FDA prior notice for potential food contact downstream use

• Require third-party lab purity analysis (>98% CaCO3) at entry

• Avoid any on-site crushing before export to preserve crude status

High-Purity Chalk Quarry Run from Mexico — Import Duty Rate | HTS 2509.00.10.00