River Shingle Heat-Treated for Concrete Mix from Japan
Heat-treated river shingle graded for concrete aggregates, enhancing bonding in high-strength mixes. Falls under HTS 2517.10.0055 as 'other' shingle, whether heat-treated, commonly used for concrete. Processing removes impurities for superior performance.
Duty Rate — Japan → 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
• Document heat-treatment process (temp/time logs) to justify inclusion despite processing
• Test for alkali-silica reactivity (ASTM C1260); reactive shingle risks reclassification or import bans
• Use bulk containers; bagged shingle may trigger retail packaging scrutiny