Washed Sea Shingle Ballast from Mexico
Washed sea shingle consisting of rounded pebbles collected from coastal areas, sized for railway or crane mat ballast applications. HTS 2517.10.00 explicitly includes shingle for ballast uses. Natural salt content removed by washing.
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
• Chloride content certification proves proper washing for steel rail compatibility
• Size uniformity documentation prevents decorative shingle misclassification
• Quarantine clearance for marine-origin materials often required