Crushed Limestone Gravel from Mexico
Crushed limestone gravel consists of broken stones typically sized 3/8 to 3/4 inch, commonly used as concrete aggregate in construction projects. It falls under HTS 2517.10.00 because it is broken or crushed stone specifically intended for concrete aggregates, road metalling, or ballast applications. The material may be heat-treated to enhance durability.
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
• Verify particle size distribution meets ASTM C33 standards for concrete aggregates to ensure proper classification under 2517.10.00
• Provide geological origin certification and heat-treatment records if applicable to avoid reclassification as mere pebbles