Chalk Ore Concentrate from Mexico
Concentrated natural chalk ore after basic washing and sizing, but before fine grinding, for further processing. HTS 2509.00.20.00 covers this minimally processed 'other' chalk.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document washing process to prove minimal processing; assay reports for purity; avoid over-processing that triggers 2517 crushed stone rules