Natural Corundum Chunks from Mexico
Irregular pieces of natural corundum, a crystalline form of aluminum oxide found in mineral deposits like those in India or Greece. Supplied crude without refinement for use in abrasive manufacturing. Falls under HTS 2513.20.1000 as crude natural abrasives in irregular form.
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
• Provide geological assay reports proving natural origin to avoid synthetic misclassification
• Avoid cleaning or minor processing that could alter classification to subheading 2513.20.20
• Declare exact dimensions if bordering on 'regular pieces' to prevent customs disputes