Basalt Granules 4-8mm from Mexico
Granules of crushed basalt rock (heading 2516), sized 4-8mm, commonly used in railroad ballast, concrete additives, or filtration media. Classified in HTS 2517.49.00.00 for granules/chippings/powder of 2516 stones. Heat-treatment optional for durability.
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
• Geological assays confirming basalt (volcanic rock) align with 2516 classification
• Size grading certificates essential; oversize may reclassify as gravel