Steel Slag Road Ballast from Mexico
Granular steel slag macadam designed for railway ballast and highway shoulders, incorporating dross fines. Falls under 2517.20.00.00 as macadam from industrial waste suitable for railway ballast per heading description.
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
• Test for free lime content as high levels can cause expansion issues; document test results for customs
• Use ISPM 15 compliant packaging for bagged shipments to prevent pest introduction
• Confirm angularity specs (typically 90%+ fractured faces) to distinguish from rounded gravel