Heat-Treated Tarred Gravel for Railway Ballast from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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