Heat-Treated Tarred Gravel for Railway Ballast from Mexico
Tar-impregnated gravel and shingle, heat-treated for durability, commonly used as railway ballast. It qualifies for HTS 2517.30.00.00 as tarred macadam including heat-treated materials from the heading's scope for railway ballast applications.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide heat-treatment process logs and tar application certificates to distinguish from untreated ballast under 2517.10
• Declare exact particle size distribution (typically 25-65mm for ballast) in entry docs to confirm road/railway use