Marble Aggregate for Railway Ballast from Canada
Coarse crushed marble 30-60mm specifically graded for railway ballast track stability. Meets engineering specs for concrete aggregates from marble stone. HTS 2517.41.00.00 explicitly covers railway ballast materials.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide AREMA/AAR ballast specifications compliance certificate
• Los Angeles Abrasion test results required for ballast quality
• Declare particle shape (cubical/flaky) affecting engineering use