Sandstone Powder for Railway Ballast Fines from Mexico
Fine sandstone powder as binder fines in railway ballast specifications. From crushed sandstone (heading 2516), HTS 2517.10.0055 includes such powders for ballast. Improves track compaction.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Fineness modulus 2.0-3.0 cert required for ballast fines
• Sulfate soundness <10% loss per ASTM standards
• Prevent moisture; wet fines alter weight declarations