River Shingle Heat-Treated for Concrete Mix from China
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 — China → United States
37.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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